Chamberlain Garage Door Opener 3265 1 2 HP User Manual
The Chamberlain Group, Inc.  
845 Larch Avenue  
Elmhurst, Illinois 60126-1196  
www.liftmaster.com  
®
GARAGE DOOR OPENER  
Model 3265 1/2 HP  
For Residential Use Only  
Owner’s Manual  
■ Please read this manual and the enclosed safety materials carefully!  
■ Fasten the manual near the garage door after installation.  
®
■ The door WILL NOT CLOSE unless the Protector System is connected and properly  
aligned.  
■ Periodic checks of the opener are required to ensure safe operation.  
■ The model number label is located on the front panel of your opener.  
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Preparing your garage door  
WARNING  
Before you begin:  
To prevent possible SERIOUS INJURY or DEATH:  
• Disable locks.  
• ALWAYS call a trained door systems technician if garage  
door binds, sticks or is out of balance. An unbalanced garage  
door may not reverse when required.  
• Remove any ropes connected to garage door.  
• Complete the following test to make sure your garage  
door is balanced and is not sticking or binding:  
• NEVER try to loosen, move or adjust garage door, door  
springs, cables, pulleys, brackets or their hardware, ALL of  
which are under EXTREME tension.  
• Disable ALL locks and remove ALL ropes connected to  
garage door BEFORE installing and operating garage door  
opener to avoid entanglement.  
1. Lift the door about halfway as shown. Release the  
door. If balanced, it should stay in place, supported  
entirely by its springs.  
2. Raise and lower the door to see if there is any  
binding or sticking.  
If your door binds, sticks, or is out of balance, call a  
trained door systems technician.  
CAUTION  
To prevent damage to garage door and opener:  
• ALWAYS disable locks BEFORE installing and operating the  
opener.  
• ONLY operate garage door opener at 120V, 60 Hz to avoid  
malfunction and damage.  
Sectional Door  
Tools needed  
One-Piece Door  
During assembly, installation and adjustment of the  
opener, instructions will call for hand tools as illustrated  
below.  
Pencil  
Carpenter’s  
2
1
Level (Optional)  
Hack Saw  
Tape Measure  
Wire Cutters  
Drill  
Claw Hammer  
3/16", 5/16" and  
5/32" Drill Bits  
Pliers  
1/2" and 7/16" Sockets  
and Wrench  
Stepladder  
Screwdriver  
Adjustable End Wrench  
3
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Planning  
Identify the type and height of your garage door. Survey  
your garage area to see if any of the conditions below  
apply to your installation. Additional materials may be  
required.  
You may find it helpful to refer back to this page and the  
accompanying illustrations as you proceed with the  
installation of your opener.  
FINISHED CEILING  
SECTIONAL DOOR INSTALLATION  
Support bracket &  
fastening hardware  
is required.  
Horizontal and vertical reinforcement  
is needed for lightweight garage doors  
See page 12.  
(fiberglass, steel, aluminum,  
door with glass panels, etc.).  
See page 19 for details.  
Slack in chain tension  
is normal when  
garage door is closed.  
Header Wall  
Motor Unit  
Extension Spring  
Wall-  
OR  
mounted  
Door  
Torsion Spring  
Control  
Vertical Centerline  
of Garage Door  
Access Door  
Safety  
Reversing  
Sensor  
Gap between floor and bottom of door  
must not exceed 1/4" (6 mm).  
Safety Reversing Sensor  
FINISHED CEILING  
ONE-PIECE DOOR WITHOUT TRACK  
Support bracket  
& fastening  
hardware is required.  
See page 12.  
Motor Unit  
Slack in chain tension  
is normal when  
garage door is closed.  
Header  
Wall  
ONE-PIECE DOOR WITH TRACK  
Slack in chain tension is normal when  
garage door is closed.  
Wall-  
mounted  
Door  
Control  
Access  
Door  
Access  
Door  
Safety  
Reversing Sensor  
Gap between floor and bottom of  
door must not exceed 1/4" (6 mm).  
Safety  
Safety  
Reversing Sensor  
Gap between floor  
and bottom of door  
Reversing Sensor  
Safety  
Reversing Sensor  
must not exceed 1/4" (6 mm).  
4
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Carton Inventory  
Your garage door opener is packaged in two cartons  
which contain the motor unit and all parts illustrated  
below. Accessories will depend on the model purchased.  
If anything is missing, carefully check the packing  
material. Parts may be stuck in the foam. Hardware for  
installation is also listed below.  
Sprocket Cover  
SECURITYꢀ®  
3-Button Remote Control  
LOCK  
LIGHT  
Multi-Function  
Door Control Panel  
Chain  
Styrofoam  
Remote Control  
Transmitter Visor Clip  
Motor Unit with Light Lenses  
Y
L
N
O
T
N
U
Curved Door  
Arm Section  
One-Piece  
T-rail  
O
M
G
N
I
IL  
E
C
P
U
Header Bracket  
Trolley  
2 Conductor Bell Wire  
White & White/Red?  
Chain  
Pulley Bracket  
Door Bracket  
Safety Labels  
and  
Literature  
The Protector System®  
Straight Door  
Arm Section  
(2) Safety Reversing Sensors  
(1 Sending Eye and 1 Receiving Eye)  
with 2-Conductor White & White/Black  
Bell Wire attached  
Safety Sensor  
Bracket (2)  
INSTALLATION HARDWARE  
Hex Bolt 5/16"-18x7/8" (4)  
Lag Screw 5/16"-9x1-5/8" (2)  
Lag Screw 5/16"-18x1-7/8" (2)  
Clevis Pin 5/16"x2-3/4" (1)  
Clevis Pin 5/16"x1-1/4" (1)  
Clevis Pin 5/16"x1" (1)  
Insulated Staples (30)  
Ring Fastener (3)  
Drywall Anchors (2)  
Rail Grease  
Carriage Bolt 1/4"-20x1/2" (2)  
Wing Nut 1/4"-20 (2)  
Rope  
Nut 5/16"-18 (4)  
Lock Washer 5/16" (4)  
Handle  
Screw 6ABx1-1/4" (2)  
Screw 6-32x1" (2)  
Self-Threading Screw 1/4"-14x5/8" (2)  
5
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ASSEMBLY STEP 1  
CAUTION  
Attach the Rail to the Motor Unit  
To avoid SERIOUS damage to garage door opener, use ONLY  
those bolts/fasteners mounted in the top of the opener.  
To avoid installation difficulties, do not run the garage  
door opener until instructed to do so.  
• Remove the two washered bolts mounted in top of  
motor unit.  
• Position rail at a 45˚ angle to opener so one hole in rail  
and motor unit line up.  
USE ONLY THIS  
TYPE AND SIZE  
BOLT  
Washered Bolt  
5/16"-18x1/2"  
• Thread one of the washered bolts part way in.  
Use only these bolts! Use of any other bolts will cause  
serious damage to door opener.  
Styrofoam  
• Align rail and styrofoam over sprocket. Cut tape from  
rail, chain and styrofoam.  
Rail Hole  
• REMOVE STYROFOAM.  
ASSEMBLY STEP 2  
Attach the Chain to the Sprocket and  
Install the Sprocket Cover  
WARNING  
To avoid possible SERIOUS INJURY to fingers from moving  
garage door opener:  
• ALWAYS keep hand clear of sprocket while operating opener.  
• Securely attach sprocket cover BEFORE operating.  
• Position chain over the sprocket. If necessary, loosen  
the outer nut on the trolley to obtain more chain slack.  
• Insert the second washered bolt. CAUTION: Use only  
the bolt previously removed from motor unit!  
• Tighten both bolts securely through the rail into the  
motor unit as shown.  
Washered Bolts  
5/16"-18x1/2"  
Sprocket  
• Install the sprocket cover: Insert the back tab in the slot.  
Squeeze the cover slightly and insert the front tab in the  
slot on the mounting plate.  
USE ONLY THIS  
TYPE AND SIZE  
BOLT  
Sprocket Cover  
Back Tab Slot  
Front Tab Slot  
Mounting  
Plate  
6
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Figure 1  
ASSEMBLY STEP 3  
Tighten the Chain  
Lock  
Washer  
Outer Nut  
Inner Nut  
To Tighten Outer Nut  
• Spin the inner nut and lock washer down the trolley  
threaded shaft, away from the trolley.  
To Tighten  
Inner Nut  
• To tighten the chain, turn outer nut in the direction  
shown (Figure 1).  
• When the chain is approximately 1/2" (13 mm) above  
the base of the rail at its midpoint, re-tighten the inner  
nut to secure the adjustment.  
Trolley  
Sprocket noise can result if chain is too loose.  
Figure 2  
When installation is complete, you may notice some chain  
droop with the door closed. This is normal. If the chain  
returns to the position shown in Figure 2 when the door is  
open, do not re-adjust the chain.  
Chain  
NOTE: During future maintenance, ALWAYS pull the  
emergency release handle to disconnect trolley before  
adjusting chain. You may notice loosening of chain after  
Adjustment Step 3 (Test the Safety Reversal System).  
Check for proper tension and readjust chain if necessary.  
Then repeat Adjustment Step 3.  
1/2" (13 mm)  
Base of Rail  
Mid Length of Rail  
You have now finished assembling your garage door  
opener. Please read the following warnings before  
proceeding to the installation section.  
INSTALLATION  
IMPORTANT INSTALLATION INSTRUCTIONS  
WARNING  
To reduce the risk of SEVERE INJURY or DEATH:  
1. READ AND FOLLOW ALL INSTALLATION WARNINGS AND  
INSTRUCTIONS.  
2. Install garage door opener ONLY on properly balanced and  
lubricated garage door. An improperly balanced door may  
not reverse when required and could result in SEVERE  
INJURY or DEATH.  
3. ALL repairs to cables, spring assemblies and other hardware  
MUST be made by a trained door systems technician  
BEFORE installing opener.  
4. Disable ALL locks and remove ALL ropes connected to  
garage door BEFORE installing opener to avoid  
entanglement.  
5. Install garage door opener 7 feet (2.13 m) or more above  
floor.  
6. Mount emergency release handle 6 feet (1.83 m) above floor.  
7. NEVER connect garage door opener to power source until  
instructed to do so.  
8. NEVER wear watches, rings or loose clothing while  
installing or servicing opener. They could be caught in  
garage door or opener mechanisms.  
9. Install wall-mounted garage door control:  
• within sight of the garage door.  
• out of reach of children at minimum height of 5 feet  
(1.5 m).  
• away from ALL moving parts of the door.  
10. Place entrapment warning label on wall next to garage door  
control.  
11. Place manual release/safety reverse test label in plain view  
on inside of garage door.  
12. Upon completion of installation, test safety reversal system.  
Door MUST reverse on contact with a 1-1/2" (3.8 cm) high  
object (or a 2x4 laid flat) on the floor.  
7
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Unfinished  
Ceiling  
INSTALLATION STEP 1  
OPTIONAL  
CEILING  
MOUNT  
FOR  
HEADER  
BRACKET  
Determine the Header Bracket  
Location  
Header Wall  
2x4  
WARNING  
To prevent possible SERIOUS INJURY or DEATH:  
• Header bracket MUST be RIGIDLY fastened to structural  
support on header wall or ceiling, otherwise garage door  
might not reverse when required. DO NOT install header  
bracket over drywall.  
Vertical Centerline  
of Garage Door  
2x4  
Structural  
Supports  
• Concrete anchors MUST be used if mounting header bracket  
or 2x4 into masonry.  
• NEVER try to loosen, move or adjust garage door, springs,  
cables, pulleys, brackets, or their hardware, ALL of which  
are under EXTREME tension.  
• ALWAYS call a trained door systems technician if garage  
door binds, sticks, or is out of balance. An unbalanced  
garage door might not reverse when required.  
Level  
(optional)  
Installation procedures vary according to garage door  
types. Follow the instructions which apply to your door.  
1. Close the door and mark the inside vertical centerline of  
the garage door.  
2. Extend the line onto the header wall above the door.  
You can fasten the header bracket within 4 feet  
(1.22 m) of the left or right of the door center only if  
a torsion spring or center bearing plate is in the  
way; or you can attach it to the ceiling (see page 9)  
when clearance is minimal. It may be mounted on  
the wall upside down if necessary, to gain  
approximately 1/2" (1 cm).  
Header Wall  
2" (5 cm) Track  
Track  
Header Wall  
2" (5 cm)  
Highest Point  
of Travel  
Highest Point  
of Travel  
Door  
Door  
If you need to install the header bracket on a 2x4  
(on wall or ceiling), use lag screws (not provided)  
to securely fasten the 2x4 to structural supports as  
shown here and on page 9.  
3. Open your door to the highest point of travel as shown.  
Draw an intersecting horizontal line on the header wall  
above the high point:  
One-piece door with horizontal track  
Sectional door with curved track  
• 2" (5 cm) above the high point for sectional door and  
one-piece door with track.  
• 8" (20 cm) above the high point for one-piece door  
without track.  
Header Wall  
8" (20 cm)  
This height will provide travel clearance for the top edge  
of the door.  
Header Wall  
8" (20 cm)  
NOTE: If the total number of inches exceeds the height  
available in your garage, use the maximum height  
possible, or refer to page 9 for ceiling installation.  
Highest  
Highest  
Door  
Point  
Point  
of Travel  
of Travel  
Door  
Jamb  
Hardware  
Pivot  
One-piece door without track:  
pivot hardware  
One-piece door without track:  
jamb hardware  
8
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INSTALLATION STEP 2  
Install the Header Bracket  
Wall Mounting Holes  
You can attach the header bracket either to the wall above  
the garage door, or to the ceiling. Follow the instructions  
which will work best for your particular requirements. Do  
not install the header bracket over drywall. If installing  
into masonry, use concrete anchors (not provided).  
CEILING MOUNT ONLY  
The nail hole is for  
positioning only.  
You must use lag screws  
to mount the header bracket.  
UP  
WALL HEADER BRACKET INSTALLATION  
Optional  
• Center the bracket on the vertical centerline with the  
bottom edge of the bracket on the horizontal line as  
shown (with the arrow pointing toward the ceiling).  
Wall Mounting Holes  
Vertical  
Centerline of  
Garage Door  
• Mark the vertical set of bracket holes (do not use the  
holes designated for ceiling mount). Drill 3/16" pilot  
holes and fasten the bracket securely to a structural  
support with the hardware provided.  
Header  
Wall  
Y
NL  
O
T
Lag Screws  
N
U
O
M
G
IN  
IL  
E
C
5/16"-9x1-5/8"  
UP  
2x4  
Header  
Bracket  
Structural  
Support  
Door Spring  
HARDWARE SHOWN ACTUAL SIZE  
Horizontal  
Line  
Garage  
Door  
Highest Point of  
Vertical  
Lag Screw  
Garage Door Travel  
Centerline of  
Garage Door  
5/16"-9x1-5/8"  
CEILING HEADER BRACKET INSTALLATION  
• Extend the vertical centerline onto the ceiling as shown.  
• Center the bracket on the vertical mark, no more than 6"  
(15 cm) from the wall. Make sure the arrow is pointing  
toward the wall. The bracket can be mounted flush  
against the ceiling when clearance is minimal.  
– Finished Ceiling –  
Vertical  
Centerline  
• Mark the side holes. Drill 3/16" pilot holes and fasten  
bracket securely to a structural support with the  
hardware provided.  
Header  
Bracket  
of Garage Door  
P
U
6" (15 cm)  
Maximum  
Door  
Spring  
Lag Screws  
5/16"-9x1-5/8"  
Ceiling Mounting Holes  
CEILING MOUNT ONLY  
UP  
Header Wall  
The nail hole is for  
positioning only.  
You must use lag screws  
to mount the header bracket.  
Garage Door  
Vertical  
Centerline  
of Garage Door  
9
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INSTALLATION STEP 3  
Attach the Rail to the Header Bracket  
• Position the opener on the garage floor below the  
header bracket. Use packing material as a protective  
base. NOTE: If the door spring is in the way you will  
need help. Have someone hold the opener securely on  
a temporary support to allow the rail to clear the spring.  
Header Wall  
Header Bracket  
• Position the rail bracket against the header bracket.  
• Align the bracket holes and join with a clevis pin  
as shown.  
Chain Pulley  
Bracket  
• Insert a ring fastener to secure.  
Ring Fastener  
Rail  
Header Bracket  
Clevis Pin  
5/16"x2-3/4"  
Chain  
Pulley  
Bracket  
Rail  
Garage  
Door  
Temporary  
Support  
HARDWARE SHOWN ACTUAL SIZE  
Clevis Pin  
5/16"x2-3/4"  
Ring Fastener  
10  
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INSTALLATION STEP 4  
CAUTION  
To prevent damage to garage door, rest garage door opener  
rail on 2x4 placed on top section of door.  
Position the Opener  
Follow instructions which apply to your door type as  
illustrated.  
SECTIONAL DOOR OR ONE-PIECE DOOR WITH  
TRACK  
A 2x4 laid flat is convenient for setting an ideal door-to-rail  
distance.  
Rail  
• Remove foam packaging.  
• Raise the opener onto a stepladder. You will need help  
at this point if the ladder is not tall enough.  
2x4 is used to determine  
the correct mounting height  
from ceiling.  
Door  
• Open the door all the way and place a 2x4 laid flat on  
the top section beneath the rail.  
• If the top section or panel hits the trolley when you raise  
the door, pull down on the trolley release arm to  
disconnect inner and outer sections. Slide the outer  
trolley toward the motor unit. The trolley can remain  
disconnected until Installation Step 12 is completed.  
Trolley  
Release Arm  
ENGAGED  
RELEASED  
Header  
Bracket  
ONE-PIECE DOOR WITHOUT TRACK  
A 2x4 on its side is convenient for setting an ideal door-to-  
rail distance.  
Top of Door  
• Remove foam packaging.  
• Raise the opener onto a stepladder. You will need help  
at this point if the ladder is not tall enough.  
2x4 is used to determine  
the correct mounting height  
from ceiling.  
• Open the door all the way and place a 2x4 on its side  
on the top section of the door beneath the rail.  
• The top of the door should be level with the top of the  
motor unit. Do not position the opener more than 4"  
(10 cm) above this point.  
11  
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INSTALLATION STEP 5  
WARNING  
To avoid possible SERIOUS INJURY from a falling garage door  
opener, fasten it SECURELY to structural supports of the  
garage. Concrete anchors MUST be used if installing ANY  
brackets into masonry.  
Hang the Opener  
Three representative installations are shown. Yours may  
be different. Hanging brackets should be angled (Figure 1)  
to provide rigid support. On finished ceilings (Figure 2 and  
Figure 3), attach a sturdy metal bracket to structural  
supports before installing the opener. This bracket and  
fastening hardware are not provided.  
Figure 1  
Structural  
Supports  
1. Measure the distance from each side of the motor unit  
to the structural support.  
Measure  
2. Cut both pieces of the hanging bracket to required  
lengths.  
Lag Screws  
Distance  
5/16"-18x1-7/8"  
Bolt 5/16"-18x7/8"  
Lock Washer 5/16"  
Nut 5/16"-18  
3. Drill 3/16" pilot holes in the structural supports.  
4. Attach one end of each bracket to a support with  
5/16"-18x1-7/8" lag screws.  
5. Fasten the opener to the hanging brackets with  
5/16"-18x7/8" hex bolts, lock washers and nuts.  
6. Check to make sure the rail is centered over the door  
(or in line with the header bracket if the bracket is not  
centered above the door).  
Figure 2  
Hidden  
Support  
7. Remove the 2x4. Operate the door manually. If the door  
hits the rail, raise the header bracket.  
Bracket  
(Not Provided)  
8. Grease the top and underside of the rail surface where  
the trolley slides with rail grease.  
FINISHED CEILING  
Lag Screws  
5/16"-18x1-7/8"  
NOTE: DO NOT connect power to opener at this time.  
(Not Provided)  
Bolt 5/16"-18x7/8"  
Lock Washer 5/16"  
Nut 5/16"-18  
Bolt 5/16"-18x7/8"  
Lock Washer 5/16"  
Nut 5/16"-18  
HARDWARE SHOWN ACTUAL SIZE  
Lag Screw 5/16"-18x1-7/8"  
Figure 3  
Lag Screws  
5/16"-18x1-7/8"  
FINISHED CEILING  
Hex Bolt  
5/16"-18x7/8"  
Lock Washer 5/16"  
Nut 5/16"-18  
(Not Provided)  
Bolt 5/16"-18x7/8"  
Lock Washer 5/16"  
Nut 5/16"-18  
Bolt 5/16"-18x7/8"  
Lock Washer 5/16"  
Nut 5/16"-18  
12  
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INSTALLATION STEP 6  
Install the Door Control  
WARNING  
To prevent possible SERIOUS INJURY or DEATH from  
electrocution:  
Locate door control within sight of door at a minimum  
height of 5 feet (1.5 m) where small children cannot reach,  
and away from moving parts of door and door hardware.  
The installation surface must be smooth and flat. If  
installing into drywall (Figure 1), drill 5/32" holes and use  
anchors provided. For pre-wired installations (as in new  
home construction), it may be mounted to a single gang  
box (Figure 2). NOTE: After installation, a green or amber  
indicator light behind the cover will indicate proper  
connection. If not lit, the Lock and Light features will not  
function (reverse wires to correct).  
• Be sure power is not connected BEFORE installing door  
control.  
• Connect ONLY to 24 VOLT low voltage wires.  
To prevent possible SERIOUS INJURY or DEATH from a closing  
garage door:  
• Install door control within sight of garage door, out of reach  
of children at a minimum height of 5 feet (1.5 m), and away  
from ALL moving parts of door.  
• NEVER permit children to operate or play with door control  
push buttons or remote control transmitters.  
1. Strip 7/16" (11 mm) of insulation from one end of bell  
wire and connect to the two screw terminals on back of  
door control by color: white wire to WHT and white/red  
wire to the RED (Figure 3).  
• Activate door ONLY when it can be seen clearly, is properly  
adjusted, and there are no obstructions to door travel.  
• ALWAYS keep garage door in sight until completely closed.  
NEVER permit anyone to cross path of closing garage door.  
2. Remove cover by gently prying at slot in the top of the  
cover with a small flat head screwdriver (Figure 4).  
Fasten with 6ABx1-1/4" self-tapping screws (drywall  
installation) or 6-32x1" machine screws (into gang box)  
as follows:  
HARDWARE SHOWN ACTUAL SIZE  
• Drill and install bottom screw, allowing 1/8"(3 mm) to  
protrude above wall surface.  
• Position bottom of door control on screw head and  
slide down to secure. Adjust screw for snug fit.  
Insulated  
Staples  
Screw 6ABx1-1/4"  
(standard installation)  
• Install top screw with care to avoid cracking plastic  
housing. Do not overtighten.  
Screw 6-32x1"  
(pre-wired)  
Drywall Anchors  
• Insert bottom tabs and snap on cover.  
STANDARD  
Figure 1 INSTALLATION  
PRE-WIRED  
INSTALLATION  
Figure 2  
NOTE: The push bar may stick if the door control is not  
mounted on a smooth surface. If a click is not heard  
when pressing the push bar, loosen the two mounting  
screws or relocate the door control to a smoother  
surface.  
LOCK  
3. (Standard installation only) Run bell wire up wall and  
across ceiling to motor unit. Use insulated staples to  
secure wire in several places. Do not pierce wire with a  
staple, creating a short or open circuit.  
LIGH  
T
LOCK  
LIGH  
T
24 Volt  
To Replace  
To Replace  
Insert Bottom Tabs First  
2-Conductor  
Bell Wire in  
Gang Box  
Insert Bottom Tabs First  
4. Strip 7/16" (11 mm) of insulation from end of bell wire.  
Connect bell wire to the quick-connect terminals as  
follows: white to white and white/red to red (Figure 5).  
MULTI-FUNCTION  
DOOR CONTROL (BACK)  
REMOVE COVER  
Figure 4  
Figure 3  
Top Mounting Hole  
NOTE: When connecting multiple door controls to the  
opener, twist same color wires together. Insert wires into  
quick-connect holes: white to white and red/white to red.  
Terminal  
Screws  
LOCK  
LIGH  
T
5. Use tacks or staples to permanently attach entrapment  
warning label to wall near door control, and manual  
release/safety reverse test label in a prominent location  
on inside of garage door.  
NOTE: DO NOT connect power and operate opener at  
this time. The trolley will travel to the full open position but  
will not return to the close position until the sensor beam is  
connected and properly aligned.  
Bell Wire  
Bottom Mounting Hole  
Figure 5  
Door Control  
Connections  
To release wire, push in tab  
with screwdriver tip  
9
1
9
1
7
3
7
3
5
5
KG  
KG  
White  
Red  
Grey  
7/16" (11 mm)  
Strip wire 7/16" (11 mm)  
13  
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INSTALLATION STEP 7  
CAUTION  
Install the Light  
To prevent possible OVERHEATING of the endpanel or light  
socket:  
• Press the release tabs on both sides of lens. Gently  
rotate lens back and downward until the lens hinge is in  
the fully open position. Do not remove the lens.  
• DO NOT use short neck or specialty light bulbs.  
• DO NOT use halogen bulbs. Use ONLY incandescent.  
To prevent damage to the opener:  
• DO NOT use bulbs larger than 100W.  
• ONLY use A19 size bulbs.  
• Install up to a 100 watt maximum light bulb in each  
socket. Light bulb size should be A19, standard neck  
only. The light will turn ON and remain lit for  
approximately 4-1/2 minutes when power is connected.  
Then the lights will turn OFF.  
100 Watt (Max)  
Standard Light Bulb  
• Reverse the procedure to close the lens.  
• If the bulbs burn out prematurely due to vibration,  
replace with a Garage Door Opener bulb.  
Release Tab  
• Use A19, standard neck garage door opener bulbs for  
replacement.  
NOTE: Use only standard light bulbs. The use of short  
neck or speciality light bulbs may overheat the endpanel  
or light socket.  
Lens  
Hinge  
100 Watt (Max)  
Standard Light Bulb  
INSTALLATION STEP 8  
Attach the Emergency Release Rope  
and Handle  
WARNING  
To prevent possible SERIOUS INJURY or DEATH from a falling  
garage door:  
• If possible, use emergency release handle to disengage  
trolley ONLY when garage door is CLOSED. Weak or broken  
springs or unbalanced door could result in an open door  
falling rapidly and/or unexpectedly.  
• NEVER use emergency release handle unless garage  
doorway is clear of persons and obstructions.  
• Thread one end of the rope through the hole in the top  
of the red handle so “NOTICE” reads right side up as  
shown. Secure with an overhand knot at least 1"  
(2.5 cm) from the end of the rope to prevent slipping.  
• Thread the other end of the rope through the hole in the  
release arm of the outer trolley.  
• NEVER use handle to pull door open or closed. If rope knot  
becomes untied, you could fall.  
• Adjust rope length so the handle is 6 feet (1.83 m)  
above the floor. Ensure that the rope and handle clear  
the tops of all vehicles to avoid entanglement. Secure  
with an overhand knot.  
NOTE: If it is necessary to cut the rope, heat seal the cut  
end with a match or lighter to prevent unraveling.  
Overhand  
Knot  
Trolley  
Trolley  
Release Arm  
Rope  
NOTICE  
Emergency  
Release Handle  
14  
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INSTALLATION STEP 9  
WARNING  
Electrical Requirements  
To prevent possible SERIOUS INJURY or DEATH from  
electrocution or fire:  
To avoid installation difficulties, do not run the opener  
at this time.  
• Be sure power is not connected to the opener, and  
disconnect power to circuit BEFORE removing cover to  
establish permanent wiring connection.  
• Garage door installation and wiring MUST be in compliance  
with ALL local electrical and building codes.  
• NEVER use an extension cord, 2-wire adapter, or change plug  
in ANY way to make it fit outlet. Be sure the opener is  
grounded.  
To reduce the risk of electric shock, your garage door  
opener has a grounding type plug with a third grounding  
pin. This plug will only fit into a grounding type outlet. If  
the plug does not fit into the outlet you have, contact a  
qualified electrician to install the proper outlet.  
PERMANENT WIRING  
CONNECTION  
RIGHT  
WRONG  
If permanent wiring is required by your local code,  
refer to the following procedure.  
Ground Tab  
Green  
To make a permanent connection through the 7/8" hole in  
the top of the motor unit:  
Ground Screw  
Black  
• Remove the motor unit cover screws and set the cover  
aside.  
Ground Wire  
Wire  
• Remove the attached 3-prong cord.  
• Connect the black (line) wire to the screw on the brass  
terminal; the white (neutral) wire to the screw on the  
silver terminal; and the ground wire to the green ground  
screw. The opener must be grounded.  
Black Wire  
White Wire  
• Reinstall the cover.  
To avoid installation difficulties, do not run the opener  
at this time.  
15  
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INSTALLATION STEP 10  
WARNING  
®
Install The Protector System  
Be sure power is not connected to the garage door opener  
BEFORE installing the safety reversing sensor.  
The safety reversing sensor must be connected and  
aligned correctly before the garage door opener will  
move in the down direction.  
To prevent SERIOUS INJURY or DEATH from a closing garage  
door:  
• Correctly connect and align the safety reversing sensor. This  
required safety device MUST NOT be disabled.  
• Install the safety reversing sensor so beam is NO HIGHER  
than 6" (15 cm) above garage floor.  
IMPORTANT INFORMATION ABOUT THE SAFETY  
REVERSING SENSOR  
When properly connected and aligned, the sensor will  
detect an obstacle in the path of its electronic beam. The  
sending eye (with an amber indicator light) transmits an  
invisible light beam to the receiving eye (with a green  
indicator light). If an obstruction breaks the light beam  
while the door is closing, the door will stop and reverse to  
full open position, and the opener lights will flash 10 times.  
If it is necessary to mount the units on the wall, the  
brackets must be securely fastened to a solid surface  
such as the wall framing. Extension brackets  
(see Accessories) are available if needed. If installing in  
masonry construction, add a piece of wood at each  
location to avoid drilling extra holes in masonry if  
repositioning is necessary.  
The units must be installed inside the garage so that the  
sending and receiving eyes face each other across the  
door, no more than 6" (15 cm) above the floor. Either can  
be installed on the left or right of the door as long as the  
sun never shines directly into the receiving eye lens.  
The invisible light beam path must be unobstructed. No  
part of the garage door (or door tracks, springs, hinges,  
rollers or other hardware) may interrupt the beam while  
the door is closing.  
The mounting brackets are designed to clip onto the track  
of sectional garage doors without additional hardware.  
Safety Reversing Sensor  
6" (15 cm) max. above floor  
Safety Reversing Sensor  
6" (15 cm) max. above floor  
Invisible Light Beam  
Protection Area  
Facing the door from inside the garage  
16  
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INSTALLING THE BRACKETS  
Be sure power to the opener is disconnected. Install  
and align the brackets so the sensors will face each other  
across the garage door, with the beam no higher than 6"  
(15 cm) above the floor. They may be installed in one of  
three ways, as follows.  
DOOR TRACK MOUNT (RIGHT SIDE)  
Figure 1  
Door  
Track  
Lip  
Garage door track installation (preferred) (Figure 1):  
Indicator  
Light  
• Slip the curved arms over the rounded edge of each  
door track, with the curved arms facing the door. Snap  
into place against the side of the track. It should lie  
flush, with the lip hugging the back edge of the track, as  
shown in Figure 1.  
Sensor  
Bracket  
Lens  
If your door track will not support the bracket securely, wall  
installation is recommended.  
Wall installation (Figure 2 & 3):  
• Place the bracket against the wall with curved arms  
facing the door. Be sure there is enough clearance for  
the sensor beam to be unobstructed.  
WALL MOUNT (RIGHT SIDE)  
Inside  
arage  
G
Fasten Wood Block to Wall with  
Figure 2  
l
al  
W
Lag Screws (Not Provided)  
Indicator  
• If additional depth is needed, an extension bracket  
(see Accessories) or wood blocks can be used.  
Sensor  
Bracket  
Light  
• Use bracket mounting holes as a template to locate and  
drill (2) 3/16" diameter pilot holes on the wall at each  
side of the door, no higher than 6" (15 cm) above the  
floor.  
Lag Screws  
(Not Provided)  
Lens  
• Attach brackets to wall with lag screws (not provided).  
• If using extension brackets or wood blocks, adjust right  
and left assemblies to the same distance out from the  
mounting surface. Make sure all door hardware  
obstructions are cleared.  
WALL MOUNT (RIGHT SIDE)  
Figure 3  
Inside  
Extension  
arage  
G
Floor installation (Figure 4):  
l
Bracket  
al  
W
(See Accessories)  
• Use wood blocks or extension brackets  
(see Accessories) to elevate sensor brackets so the  
lenses will be no higher than 6" (15 cm) above the floor.  
(Provided with  
Extension Bracket)  
• Carefully measure and place right and left assemblies at  
the same distance out from the wall. Be sure all door  
hardware obstructions are cleared.  
• Fasten to the floor with concrete anchors as shown.  
Sensor  
Bracket  
Indicator  
(Provided with  
Extension  
Bracket)  
Light  
Lens  
FLOOR MOUNT (RIGHT SIDE)  
Figure 4  
HARDWARE SHOWN ACTUAL SIZE  
Attach with  
Concrete Anchors  
(Not Provided)  
Inside  
arage  
G
l
al  
W
Lens  
Indicator  
Light  
Carriage Bolt  
1/4"-20x1/2"  
Wing Nut  
1/4"-20  
Staples  
Sensor  
Bracket  
17  
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MOUNTING AND WIRING THE SAFETY REVERSING  
SENSORS  
Figure 5  
Wing Nut  
• Slide a 1/4"-20x1/2" carriage bolt head into the slot on  
each sensor. Use wing nuts to fasten sensors to  
brackets, with lenses pointing toward each other across  
the door. Be sure the lens is not obstructed by a bracket  
extension (Figure 5).  
1/4"-20  
Carriage Bolt  
1/4"-20x1/2"  
Lens  
• Finger tighten the wing nuts.  
• Run the wires from both sensors to the opener. Use  
insulated staples to secure wire to wall and ceiling.  
TROUBLESHOOTING THE SAFETY REVERSING  
SENSORS  
• Strip 7/16" (11 mm) of insulation from each set of wires.  
Separate white and white/black wires sufficiently to  
connect to the opener quick-connect terminals. Twist  
like colored wires together. Insert wires into  
quick-connect holes: white to white and white/black to  
grey (Figure 6).  
1. If the sending eye indicator light does not glow steadily  
after installation, check for:  
• Electric power to the opener.  
• A short in the white or white/black wires. These can  
occur at staples, or at opener connections.  
ALIGNING THE SAFETY REVERSING SENSORS  
• Incorrect wiring between sensors and opener.  
• A broken wire.  
• Plug in the opener. The indicator lights in both the  
sending and receiving eyes will glow steadily if wiring  
connections and alignment are correct.  
2. If the sending eye indicator light glows steadily but the  
receiving eye indicator light does not:  
The sending eye amber indicator light will glow regardless  
of alignment or obstruction. If the green indicator light in  
the receiving eye is off, dim, or flickering (and the invisible  
light beam path is not obstructed), alignment is required.  
• Check alignment.  
• Check for an open wire to the receiving eye.  
3. If the receiving eye indicator light is dim, realign either  
• Loosen the sending eye wing nut and readjust, aiming  
sensor.  
directly at the receiving eye. Lock in place.  
NOTE: When the invisible beam path is obstructed or  
misaligned while the door is closing, the door will reverse.  
If the door is already open, it will not close. The opener  
lights will blink 10 times. See page 16.  
• Loosen the receiving eye wing nut and adjust sensor  
until it receives the sender’s beam. When the green  
indicator light glows steadily, tighten the wing nut.  
Connect Wire to  
Opener Quick-Connect Terminals  
Figure 6  
Finished  
Bell Wire  
Ceiling  
1. Strip wire 7/16"  
(11 mm)  
Bell Wire  
7/16" (11 mm)  
2. Twist like colored  
wires together  
3. Insert into  
appropriate terminals  
Red  
Grey  
White  
Quick-Connect Terminals  
Safety Reversing Sensor  
Invisible Light Beam  
Protection Area  
Safety Reversing Sensor  
18  
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INSTALLATION STEP 11  
CAUTION  
Fasten the Door Bracket  
Fiberglass, aluminum or lightweight steel garage doors WILL  
REQUIRE reinforcement BEFORE installation of door bracket.  
Contact your door manufacturer for reinforcement kit.  
Follow instructions which apply to your door type as  
illustrated below or on the following page.  
A horizontal reinforcement brace should be long  
enough to be secured to two or three vertical  
supports. A vertical reinforcement brace should cover  
the height of the top panel.  
Header  
Bracket  
Figure 1 shows one piece of angle iron as the horizontal  
brace. For the vertical brace, 2 pieces of angle iron are  
used to create a U-shaped support. The best solution is to  
check with your garage door manufacturer for an opener  
installation door reinforcement kit.  
Door  
Bracket  
Location  
NOTE: Many door reinforcement kits provide for direct  
attachment of the clevis pin and door arm. In this case you  
will not need the door bracket; proceed to Step 12.  
HORIZONTAL AND VERTICAL  
REINFORCEMENT IS NEEDED  
FOR LIGHTWEIGHT GARAGE  
DOORS (FIBERGLASS,  
ALUMINUM, STEEL, DOORS  
WITH GLASS PANEL, ETC.).  
(NOT PROVIDED)  
SECTIONAL DOORS  
Vertical  
Centerline  
of Garage  
Door  
1. Center the door bracket on the previously marked  
vertical centerline used for the header bracket  
installation. Note correct UP placement, as stamped  
inside the bracket.  
2. Position the top edge of the bracket 2"-4" (5-10 cm)  
below the top edge of the door, OR directly below any  
structural support across the top of the door.  
Figure 1  
Vertical  
Reinforcement  
(Not Provided)  
Vertical  
3. Mark, drill holes and install as follows, depending on  
your door’s construction:  
Vertical  
Centerline  
of Garage Door  
Reinforcement  
Metal or light weight doors using a vertical angle iron  
brace between the door panel support and the door  
bracket:  
Vertical  
Bolt  
Centerline  
5/16"-18x2"  
of Garage Door  
UP  
• Drill 3/16" fastening holes. Secure the door bracket  
using the two 1/4"-14x5/8" self-threading screws  
(Figure 2A).  
Door  
Bracket  
UP  
Lock Washer  
Door  
5/16"  
Nut  
Bracket  
5/16"-18  
• Alternately, use two 5/16" bolts, lock washers and nuts  
(not provided) (Figure 2B).  
Self-Threading  
Screw  
1/4"-14x5/8"  
Figure 2B  
Metal, insulated or light weight factory reinforced  
doors:  
Figure 2A  
• Drill 3/16" fastening holes. Secure the door bracket  
using the self-threading screws (Figure 3).  
Inside Edge  
(Not Provided)  
of Door or  
Reinforcement Board  
Wood Doors:  
Bolt  
5/16"x2"  
• Use top and bottom or side to side door bracket holes.  
Drill 5/16" holes through the door and secure bracket  
with 5/16"x2" carriage bolts, lock washers and nuts  
(not provided) (Figure 4).  
UP  
Vertical  
Centerline  
NOTE: The 1/4"-14x5/8" self-threading screws are not  
intended for use on wood doors.  
of Garage Door  
Vertical  
Centerline  
of Garage  
Door  
UP  
HARDWARE  
SHOWN  
ACTUAL SIZE  
Self-Threading  
Screw  
Figure 4  
1/4"-14x5/8"  
Self-Threading  
Screw  
Figure 3  
1/4"-14x5/8"  
19  
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ONE-PIECE DOORS  
Please read and comply with the warnings and  
reinforcement instructions on the previous page. They  
apply to one-piece doors also.  
• Center the door bracket on the top of the door, in line  
with the header bracket as shown. Mark either the left  
and right, or the top and bottom holes.  
• Metal Doors: Drill 3/16" pilot holes and fasten the  
bracket with the 1/4"-14x5/8" self-threading screws  
provided.  
HARDWARE SHOWN  
ACTUAL SIZE  
• Wood Doors: Drill 5/16" holes and use 5/16"x2"  
carriage bolts, lock washers and nuts (not provided) or  
5/16"x1-1/2" lag screws (not provided) depending on  
your installation needs.  
Self-Threading Screw  
1/4"-14x5/8"  
NOTE: The door bracket may be installed on the top edge  
of the door if required for your installation. (Refer to the  
dotted line optional placement drawing.)  
Self-Threading  
Screw  
1/4"-14x5/8"  
Door  
Bracket  
Top of Door  
Header Wall  
Finished Ceiling  
2x4 Support  
(Inside  
Garage)  
Top Edge  
of Door  
Header  
Bracket  
Optional  
Placement  
Door  
Bracket  
METAL DOOR  
Optional  
HORIZONTAL AND VERTICAL  
Placement  
REINFORCEMENT IS NEEDED  
of Door  
Nut  
Lock  
FOR LIGHTWEIGHT GARAGE  
Bracket  
5/16"-18  
Washer  
DOORS (FIBERGLASS,  
5/16"  
ALUMINUM, STEEL, DOORS  
WITH GLASS PANEL, ETC.).  
Top of Door  
Door  
Bracket  
(NOT PROVIDED)  
Vertical  
(Inside  
Centerline of  
Garage Door  
Garage)  
Top Edge  
of Door  
Optional  
Placement  
Carriage Bolt  
5/16"x2"  
(Not Provided)  
WOOD DOOR  
For a door with no exposed framing,  
or for the optional installation, use  
lag screws 5/16"x1-1/2" (Not Provided)  
to fasten door bracket.  
20  
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INSTALLATION STEP 12  
Connect Door Arm to Trolley  
Inner Trolley  
Outer Trolley  
Follow instructions which apply to your door type as  
illustrated below and on the following page.  
Clevis Pin  
SECTIONAL DOORS ONLY  
5/16"x1"  
Ring  
• Make sure garage door is fully closed. Pull the  
emergency release handle to disconnect the outer trolley  
from the inner trolley. Slide the outer trolley back (away  
from the door) about 2" (5 cm) as shown in Figures 1, 2  
and 3.  
Fastener  
Emergency  
Release  
Handle  
Door  
Bracket  
• Figure 1:  
Straight  
Door Arm  
– Fasten straight door arm section to outer trolley with  
the 5/16"x1" clevis pin. Secure the connection with a  
ring fastener.  
Curved  
Door Arm  
Clevis Pin  
5/16"x1-1/4"  
– Fasten curved section to the door bracket in the same  
way, using the 5/16"x1-1/4" clevis pin.  
Figure 1  
• Figure 2:  
– Bring arm sections together. Find two pairs of holes  
that line up and join sections. Select holes as far apart  
as possible to increase door arm rigidity.  
• Figure 3, Hole alignment alternative:  
– If holes in curved arm are above holes in straight arm,  
disconnect straight arm. Cut about 6" (15 cm) from the  
solid end. Reconnect to trolley with cut end down as  
shown.  
Lock  
Washers  
5/16"  
– Bring arm sections together.  
– Find two pairs of holes that line up and join with bolts,  
lock washers and nuts.  
Nuts  
5/16"-18  
• Pull the emergency release handle toward the opener at  
a 45° angle so that the trolley release arm is horizontal.  
Proceed to Adjustment Step 1, page 23. Trolley will  
re-engage automatically when opener is operated.  
Bolts  
5/16"-18x7/8"  
Door Bracket  
Figure 2  
HARDWARE SHOWN ACTUAL SIZE  
Lock  
Washers  
5/16"  
Nut 5/16"-18  
Lock Washer 5/16" Ring Fastener  
Clevis Pin  
Nuts  
5/16"-18  
Hex Bolt  
Clevis Pin  
5/16"x1" (Trolley)  
5/16"x1-1/4" (Door Bracket) 5/16"-18x7/8"  
Bolts  
5/16"-18x7/8"  
Cut This End  
Figure 3  
21  
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ALL ONE-PIECE DOORS  
Door  
Bracket  
Ring  
Fastener  
1. Assemble the door arm, Figure 4:  
Nuts  
5/16"-18  
Lock  
Washers  
5/16"  
• Fasten the straight and curved door arm sections  
together to the longest possible length (with a 2 or 3  
hole overlap).  
Clevis Pin  
5/16"x1-1/4"  
Straight  
Arm  
• With the door closed, connect the straight door arm  
section to the door bracket with the 5/16"x1-1/4" clevis  
pin.  
Bolts  
5/16"-18x7/8  
Curved  
Door Arm  
Figure 4  
• Secure with a ring fastener.  
- Press the Door Control push button. The trolley will  
travel to the fully closed position.  
2. Adjustment procedures, Figure 5:  
• On one-piece doors, before connecting the door arm  
to the trolley, the travel limits must be adjusted. Limit  
adjustment screws are located on the left side panel  
as shown on page 23. Follow adjustment procedures  
below.  
- Manually close the door and lift the door arm to the  
trolley. The arm should touch the trolley just ahead of  
the door arm connector hole. Refer to the fully closed  
trolley/door arm positions in the illustration. If the arm  
is behind the connector hole, adjust the limit further.  
One full turn equals 2" (5 cm) of trolley travel.  
• Open door adjustment: decrease UP travel limit  
- Turn the UP limit adjustment screw counter-clockwise 3. Connect the door arm to the trolley:  
4 turns.  
• Close the door and join the curved arm to the  
- Press the Door Control push button. The trolley will  
travel to the fully open position.  
connector hole in the trolley with the remaining clevis  
pin. It may be necessary to lift the door slightly to make  
the connection.  
- Manually raise the door to the open position (parallel  
to the floor), and lift the door arm to the trolley. The  
arm should touch the trolley just in back of the door  
arm connector hole. Refer to the fully open  
trolley/door arm positions in the illustration. If the arm  
does not extend far enough, adjust the limit further.  
One full turn equals 2" (5 cm) of trolley travel.  
• Secure with a ring fastener.  
• Run the opener through a complete travel cycle. If the  
door has a slight “backward” slant in full open position  
as shown in the illustration, decrease the UP limit until  
the door is parallel to the floor.  
NOTE: When setting the up limit on the following page, the  
door should not have a “backward” slant when fully open  
as illustrated below. A slight backward slant will cause  
unnecessary bucking and/or jerking operation as the door  
is being opened or closed from the fully open position.  
• Closed door adjustment: decrease DOWN travel  
limit  
- Turn the DOWN limit adjustment screw clockwise  
4 complete turns.  
Figure 5  
Inner Trolley  
Outer Trolley  
Door Arm  
Connector Hole  
Door Arm  
Emergency Release Handle  
Closed  
Door  
Inner Trolley  
Outer Trolley  
Door Arm  
Correct Angle  
Door with  
Backward Slant (Incorrect)  
Open Door  
22  
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ADJUSTMENT STEP 1  
WARNING  
Without a properly installed safety reversal system, persons  
(particularly small children) could be SERIOUSLY INJURED or  
KILLED by a closing garage door.  
• Incorrect adjustment of garage door travel limits will  
interfere with proper operation of safety reversal system.  
• If one control (force or travel limits) is adjusted, the other  
control may also need adjustment.  
Adjust the UP and DOWN Travel Limits  
Limit adjustment settings regulate the points at which the  
door will stop when moving up or down.  
To operate the opener, press the Door Control push bar.  
Run the opener through a complete travel cycle.  
• Does the door open and close completely?  
• Does the door stay closed and not reverse  
unintentionally when fully closed?  
• After ANY adjustments are made, the safety reversal system  
MUST be tested. Door MUST reverse on contact with 1-1/2"  
high (3.8 cm) object (or 2x4 laid flat) on floor.  
If your door passes both of these tests, no limit  
adjustments are necessary unless the reversing test fails  
(Adjustment Step 3, page 25).  
Adjustment procedures are outlined below. Read the  
procedures carefully before proceeding to Adjustment Step  
2. Use a screwdriver to make limit adjustments. Run the  
opener through a complete travel cycle after each  
adjustment.  
CAUTION  
To prevent damage to vehicles, be sure fully open door  
provides adequate clearance.  
NOTE: Repeated operation of the opener during  
adjustment procedures may cause the motor to overheat  
and shut off. Simply wait 15 minutes and try again. If  
anything interferes with the door’s upward travel, it will  
stop. If anything interferes with the door’s downward travel  
(including binding or unbalanced doors), it will reverse.  
Cover Protection  
Bolt  
2-4"  
(5-10 cm)  
HOW AND WHEN TO ADJUST THE LIMITS  
• If the door does not open completely but opens at  
least five feet (1.5 m):  
Increase up travel. Turn the UP limit adjustment screw  
clockwise. One turn equals 2" (5 cm) of travel.  
Limit Adjustment Screws  
Left Side Panel  
NOTE: To prevent the trolley from hitting the cover  
protection bolt, keep a minimum distance of 2-4"  
(5 cm - 10 cm) between the trolley and the bolt.  
• If door does not open at least 5 feet (1.5 m):  
Adjustment Label  
Adjust the UP (open) force as explained in Adjustment  
Step 2.  
• If the door does not close completely:  
• If the door reverses when closing and there is no  
visible interference to travel cycle:  
Increase down travel. Turn the down limit adjustment  
screw counterclockwise. One turn equals 2" (5 cm) of  
travel.  
If the opener lights are flashing, the Safety Reversing  
Sensors are either not installed, misaligned, or  
obstructed. See Troubleshooting, page 18.  
If door still will not close completely and the trolley  
bumps into the pulley bracket (page 4), try lengthening  
the door arm (page 21) and decreasing the down limit.  
Test the door for binding: Pull the emergency release  
handle. Manually open and close the door. If the door is  
binding or unbalanced, call for a trained door systems  
technician. If the door is balanced and not binding,  
adjust the DOWN (close) force. See Adjustment Step 2.  
• If the opener reverses in fully closed position:  
Decrease down travel. Turn the down limit adjustment  
screw clockwise. One turn equals 2" (5 cm) of travel.  
23  
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ADJUSTMENT STEP 2  
WARNING  
Adjust the Force  
Without a properly installed safety reversal system, persons  
(particularly small children) could be SERIOUSLY INJURED or  
KILLED by a closing garage door.  
Force adjustment controls are located on the back panel  
of the motor unit. Force adjustment settings regulate the  
amount of power required to open and close the door.  
• Too much force on garage door will interfere with proper  
operation of safety reversal system.  
If the forces are set too light, door travel may be  
interrupted by nuisance reversals in the down direction  
and stops in the up direction. Weather conditions can  
affect the door movement, so occasional adjustment may  
be needed.  
• NEVER increase force beyond minimum amount required to  
close garage door.  
• NEVER use force adjustments to compensate for a binding  
or sticking garage door.  
• If one control (force or travel limits) is adjusted, the other  
control may also need adjustment.  
• After ANY adjustments are made, the safety reversal system  
MUST be tested. Door MUST reverse on contact with 1-1/2"  
high (3.8 cm) object (or 2x4 laid flat) on floor.  
The maximum force adjustment range is about 3/4 of a  
complete turn. Do not force controls beyond that  
point. Turn force adjustment controls with a screwdriver.  
NOTE: If anything interferes with the door’s upward travel,  
it will stop. If anything interferes with the door’s downward  
travel (including binding or unbalanced doors), it will  
reverse.  
Force  
Adjustment  
Controls  
HOW AND WHEN TO ADJUST THE FORCES  
1. Test the DOWN (close) force  
• Grasp the door bottom when the door is about halfway  
through DOWN (close) travel. The door should reverse.  
Reversal halfway through down travel does not  
guarantee reversal on a 1-1/2" (3.8 cm) obstruction. See  
Adjustment Step 3, page 25. If the door is hard to  
hold or does not reverse, DECREASE the DOWN  
(close) force by turning the control counterclockwise.  
Make small adjustments until the door reverses  
normally. After each adjustment, run the opener through  
a complete cycle.  
Back Panel  
KG  
KG  
• If the door reverses during the down (close) cycle  
and the opener lights are not flashing, INCREASE  
DOWN (close) force by turning the control clockwise.  
Make small adjustments until the door completes a close  
cycle. After each adjustment, run the opener through a  
complete travel cycle. Do not increase the force beyond  
the minimum amount required to close the door.  
Antenna  
2. Test the UP (open) force  
• Grasp the door bottom when the door is about halfway  
through UP (open) travel. The door should stop. If the  
door is hard to hold or does not stop, DECREASE  
UP (open) force by turning the control counterclockwise.  
Make small adjustments until the door stops easily and  
opens fully. After each adjustment, run the opener  
through a complete travel cycle.  
FORCE ADJUSTMENT LABEL  
9
9
1
1
7
7
3
3
5
5
• If the door does not open at least 5 feet (1.5 m),  
INCREASE UP (open) force by turning the control  
clockwise. Make small adjustments until door opens  
completely. Readjust the UP limit if necessary. After  
each adjustment, run the opener through a complete  
travel cycle.  
KG  
KG  
Open Force  
Close Force  
24  
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ADJUSTMENT STEP 3  
WARNING  
Test the Safety Reversal System  
Without a properly installed safety reversal system, persons  
(particularly small children) could be SERIOUSLY INJURED or  
KILLED by a closing garage door.  
TEST  
• Safety reversal system MUST be tested every month.  
• If one control (force or travel limits) is adjusted, the other  
control may also need adjustment.  
• With the door fully open, place a 1-1/2" (3.8 cm) board  
(or a 2x4 laid flat) on the floor, centered under the  
garage door.  
• After ANY adjustments are made, the safety reversal system  
MUST be tested. Door MUST reverse on contact with 1-1/2"  
high (3.8 cm) object (or 2x4 laid flat) on the floor.  
• Operate the door in the down direction. The door must  
reverse on striking the obstruction.  
ADJUST  
• If the door stops on the obstruction, it is not traveling far  
enough in the down direction. Increase the DOWN limit  
by turning the DOWN limit adjustment screw  
counterclockwise 1/4 turn.  
NOTE: On a sectional door, make sure limit adjustments  
do not force the door arm beyond a straight up and  
down position. See the illustration on page 21.  
• Repeat the test.  
• When the door reverses on the 1-1/2" (3.8 cm) board,  
remove the obstruction and run the opener through 3 or  
4 complete travel cycles to test adjustment.  
• If the unit continues to fail the Safety Reverse Test, call  
for a trained door systems technician.  
IMPORTANT SAFETY CHECK:  
Test the Safety Reverse System after:  
• Each adjustment of door arm length, limits, or force  
controls.  
• Any repair to or adjustment of the garage door  
(including springs and hardware).  
1-1/2" (3.8 cm) board  
(or a 2x4 laid flat)  
• Any repair to or buckling of the garage floor.  
• Any repair to or adjustment of the opener.  
ADJUSTMENT STEP 4  
WARNING  
Without a properly installed safety reversing sensor, persons  
(particularly small children) could be SERIOUSLY INJURED or  
KILLED by a closing garage door.  
®
Test The Protector System  
• Press the remote control push button to open the door.  
• Place the opener carton in the path of the door.  
• Press the remote control push button to close the door.  
The door will not move more than an inch (2.5 cm), and  
the opener lights will flash.  
The garage door opener will not close from a remote if the  
indicator light in either sensor is off (alerting you to the fact  
that the sensor is misaligned or obstructed).  
If the opener closes the door when the safety  
reversing sensor is obstructed (and the sensors are  
no more than 6" (15 cm) above the floor), call for a  
trained door systems technician.  
Safety Reversing Sensor  
Safety Reversing Sensor  
25  
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OPERATION  
IMPORTANT SAFETY INSTRUCTIONS  
WARNING  
To reduce the risk of SEVERE INJURY or DEATH:  
1. READ AND FOLLOW ALL WARNINGS AND INSTRUCTIONS.  
9. If one control (force or travel limits) is adjusted, the other  
control may also need adjustment.  
10. After ANY adjustments are made, the safety reversal system  
MUST be tested.  
2. ALWAYS keep remote controls out of reach of children.  
NEVER permit children to operate or play with garage door  
control push buttons or remote controls.  
3. ONLY activate garage door when it can be seen clearly, it is  
properly adjusted, and there are no obstructions to door  
travel.  
11. Safety reversal system MUST be tested every month.  
Garage door MUST reverse on contact with 1-1/2" high  
(3.8 cm) high object (or a 2x4 laid flat) on the floor.  
4. ALWAYS keep garage door in sight until completely closed.  
NO ONE SHOULD CROSS THE PATH OF THE MOVING DOOR.  
5. NO ONE SHOULD GO UNDER A STOPPED, PARTIALLY OPEN  
DOOR.  
12. ALWAYS KEEP GARAGE DOOR PROPERLY BALANCED  
(see page 3). An improperly balanced door may not reverse  
when required and could result in SEVERE INJURY or  
DEATH.  
13. ALL repairs to cables, spring assemblies and other  
hardware, ALL of which are under EXTREME tension, MUST  
be made by a trained door systems technician.  
14. ALWAYS disconnect electric power to garage door opener  
BEFORE making ANY repairs or removing covers.  
6. If possible, use emergency release handle to disengage  
trolley ONLY when garage door is CLOSED. Weak or broken  
springs or unbalanced door could result in an open door  
falling rapidly and/or unexpectedly.  
7. NEVER use emergency release handle unless garage doorway  
is clear of persons and obstructions.  
15.  
SAVE THESE INSTRUCTIONS.  
8. NEVER use handle to pull garage door open or closed. If rope  
knot becomes untied, you could fall.  
6. If obstructed while opening, the door will stop.  
7. If fully open, the door will not close when the beam is  
broken. The sensor has no effect in the opening cycle.  
Using Your Garage Door Opener  
Your Security✚® opener and hand-held remote control  
have been factory-set to a matching code which changes  
with each use, randomly accessing over 100 billion new  
codes. Your opener will operate with up to eight Security✚®  
remote controls and one Security✚® Keyless Entry System.  
If you purchase a new remote, or if you wish to deactivate  
any remote, follow the instructions in the Programming  
section.  
If the sensor is not installed, or is misaligned, the door will  
not close from a hand-held remote. However, you can  
close the door with the Door Control, the Outside Keylock,  
or Keyless Entry, if you activate them until down travel is  
complete. If you release them too soon, the door will  
reverse.  
The opener lights will turn on under the following  
conditions: when the opener is initially plugged in; when  
power is restored after interruption; when the opener is  
activated.  
Activate your opener with any of the following:  
• The hand-held Remote Control: Hold the large push  
button down until the door starts to move.  
• The wall-mounted Door Control: Hold the push button or  
They will turn off automatically after 4-1/2 minutes or  
provide constant light when the Light feature on the  
Multi-Function Door Control is activated. Bulb size is A19.  
Bulb power is 100 watts maximum.  
Security✚® light feature: Lights will also turn on when  
someone walks through the open garage door. With a  
Multi-Function Door Control, this feature may be turned off  
as follows: With the opener lights off, press and hold the  
light button for 10 seconds, until the light goes on, then off  
again. To restore this feature, start with the opener lights  
on, then press and hold the light button for 10 seconds  
until the light goes off, then on again.  
bar down until the door starts to move.  
• The Keyless Entry (See Accessories): If provided with  
your garage door opener, it must be programmed before  
use. See Programming.  
When the opener is activated (with the safety  
reversing sensor correctly installed and aligned)  
1. If open, the door will close. If closed, it will open.  
2. If closing, the door will reverse.  
3. If opening, the door will stop.  
4. If the door has been stopped in a partially open position,  
it will close.  
5. If obstructed while closing, the door will reverse. If the  
obstruction interrupts the sensor beam, the opener lights  
will blink for five seconds.  
26  
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B) To operate one door using all three buttons on the  
hand-held remote:  
Using the Wall-Mounted  
Door Control  
You may program the remote to open the  
door with the large button, close it with  
the middle button, and stop the door’s  
THE MULTI-FUNCTION DOOR CONTROL  
Open  
Close  
Stop  
Press the push button to open or close the  
door. Press again to reverse the door  
during the closing cycle or to stop the door  
while it’s opening.  
Push  
movement with the third button.  
Button  
NOTE: If remote is already programmed,  
you must first erase all codes. See Programming.  
Lock  
Button  
LOCK  
1. With the door closed, press and hold the large remote  
push button.  
Light  
Button  
LIGHT  
Light feature  
Press the Light button to turn the opener  
2. Press and hold the Lock button on the door control.  
3. Press and hold the door control push bar.  
light on or off. It will not control the opener lights when the  
door is in motion. If you turn it on and then activate the  
opener, the light will remain on for 4-1/2 minutes. Press  
again to turn it off sooner. The 4-1/2 minute interval can be  
changed to 1-1/2, 2-1/2, or 3-1/2 minutes as follows: Press  
and hold the Lock button until the light blinks (about 10  
seconds). A single blink indicates that the timer is reset to  
1-1/2 minutes. Repeat the procedure and the light will blink  
twice, resetting the timer to 2-1/2 minutes. Repeat again  
for a 3-1/2 minute interval, etc., up to a maximum of four  
blinks and 4-1/2 minutes.  
4. After the opener lights flash, release all buttons.  
To Open the Door Manually  
WARNING  
To prevent possible SERIOUS INJURY or DEATH from a falling  
garage door:  
• If possible, use emergency release handle to disengage  
trolley ONLY when garage door is CLOSED. Weak or broken  
springs or unbalanced door could result in an open door  
falling rapidly and/or unexpectedly.  
• NEVER use emergency release handle unless garage  
doorway is clear of persons and obstructions.  
Lock feature  
Designed to prevent operation of the door from  
hand-held remote controls. However, the door will open  
and close from the Door Control, the Outside Keylock and  
the Keyless Entry Accessories.  
To activate, press and hold the Lock button for 2 seconds.  
The push bar light will flash as long as the Lock feature is  
on.  
• NEVER use handle to pull door open or closed. If rope knot  
becomes untied, you could fall.  
To turn off, press and hold the Lock button again for  
2 seconds.The push bar light will stop flashing. The Lock  
feature will also turn off whenever the “learn” button on the  
motor unit panel is activated.  
The door should be fully closed if  
possible. Pull down on the  
Additional features when used with the 3-Button  
hand-held remote  
emergency release handle and lift  
the door manually. To reconnect  
the door to the opener, press the  
door control push bar.  
Trolley  
Release  
A) To control the opener lights:  
Emergency  
Release  
Arm  
In addition to operating the door, you may program the  
remote to operate the lights.  
Handle  
N
O
T
IC  
E
(Pull Down)  
1. With the door closed, press and hold a small remote  
button that you want to control  
the light.  
MANUAL DISCONNECT  
POSITION  
The lockout feature prevents the  
trolley from reconnecting  
automatically. Pull the emergency  
release handle down and back  
(toward the opener). The door can  
then be raised and lowered  
manually as often as necessary.  
To disengage the lockout feature,  
pull the handle straight down. The  
trolley will reconnect on the next  
UP or DOWN operation, either  
manually or by using the door  
control or remote.  
2. Press and hold the Light button on the Multi-  
Function door control.  
Trolley  
Release  
Arm  
3. While holding the Light button, press and  
hold the Lock button on the door control.  
Emergency  
4. After the opener lights flash, release all buttons.  
Release Handle  
(Down and Back)  
E
IC  
T
O
N
LOCKOUT POSITION  
27  
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THE REMOTE CONTROL BATTERY  
CARE OF YOUR OPENER  
LIMIT AND FORCE ADJUSTMENTS:  
WARNING  
To prevent possible SERIOUS INJURY or DEATH:  
• NEVER allow small children near batteries.  
• If battery is swallowed, immediately notify doctor.  
Weather conditions may cause  
FORCE CONTROLS  
some minor changes in door  
operation requiring some re-  
adjustments, particularly during  
the first year of operation.  
9
9
1
1
7
7
3
3
5
5
KG  
KG  
Pages 23 and 24 refer to the limit  
and force adjustments. Only a  
screwdriver is required. Follow  
the instructions carefully.  
The lithium battery should produce power for up to  
5 years.  
LIMIT CONTROLS  
WARNING  
To reduce risk of fire, explosion or chemical burn:  
• Replace ONLY with 3V2032 coin batteries.  
Repeat the safety reverse test  
(Adjustment Step 3, page 25)  
after any adjustment of limits or force.  
• Do NOT recharge, disassemble, heat above 100°C (212°F) or  
incinerate.  
MAINTENANCE SCHEDULE  
To replace battery, use the visor  
clip or screwdriver blade to pry  
Once a Month  
Battery  
open the case as shown. Insert  
battery positive side up (+).  
• Manually operate door. If it is unbalanced or binding, call  
a trained door systems technician.  
positive  
side up (+)  
Dispose of old battery properly.  
• Check to be sure door opens and closes fully. Adjust  
limits and/or force if necessary (see pages 23 and 24).  
Replace the battery with only  
3V2032 coin cell batteries.  
• Repeat the safety reverse test. Make any necessary  
adjustments (see Adjustment Step 3).  
NOTICE: To comply with FCC and or Industry Canada (IC) rules, adjustment or modifications of this  
receiver and/or transmitter are prohibited, except for changing the code setting or replacing the  
battery. THERE ARE NO OTHER USER SERVICEABLE PARTS.  
Tested to Comply with FCC Standards FOR HOME OR OFFICE USE. Operation is subject to the  
following two conditions: (1) this device may not cause harmful interference, and (2) this device  
must accept any interference received, including interference that may cause undesired operation.  
Twice a Year  
• Check chain tension. Disconnect trolley first. Adjust if  
necessary (see page 7).  
Once a Year  
• Oil door rollers, bearings and hinges. The opener does  
not require additional lubrication. Do not grease the door  
tracks.  
28  
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HAVING A PROBLEM?  
1. My door will not close and the light bulbs blink on  
my motor unit: The safety reversing sensor must be  
connected and aligned correctly before the garage door  
opener will move in the down direction.  
Bell Wire  
• Verify the safety sensors are properly installed,  
aligned and free of any obstructions. Refer to  
Installation Step 10: Install The Protector System®.  
• Check diagnostic LED for flashes on the motor unit  
then refer to the Diagnostic Chart on the following  
page.  
“Learn”  
Button  
LED or  
Diagnostic  
LED  
2. My remotes will not activate the door:  
Safety Reversing Sensor  
• Verify your door control is not blinking. If it is blinking,  
deactivate the Lock Mode following the instructions for  
Using the Wall Mounted Door Control.  
Receiving Eye Safety Reversing  
Sensor (Green Indicator Light)  
Sending Eye Safety Reversing  
Sensor (Amber Indicator Light)  
• Reprogram remotes following the programming  
instructions. Refer to Programming.  
• If remote will still not activate your door, check  
diagnostic LED for flashes on motor unit then refer to  
Diagnostic Chart on the following page.  
3. My door reverses for no apparent reason: Repeat  
safety reverse test after adjustments to force or travel  
limits. The need for occasional adjustment for the force  
and limit settings is normal. Weather conditions in  
particular can affect door travel.  
6. My motor unit hums briefly:  
• First verify that the trolley is against the stop bolt.  
• Release the door from the opener by pulling the  
Emergency Release Rope.  
• Manually bring the door to a closed position.  
• Manually check door for balance or any binding  
problems.  
• Loosen the chain by adjusting the outer nut 4 to 5  
turns. This relieves the tension.  
• Refer to Adjustment Step 2, Adjust the Force.  
• Run the motor unit from the remote control or door  
control. The trolley should travel towards the door and  
stop. If the trolley re-engages with the door, pull the  
Emergency Release Rope to disengage.  
4. My door reverses for no apparent reason after fully  
closing and touching the floor: Repeat safety reverse  
test after adjustments to force or travel limits. The need  
for occasional adjustment for the force and limit settings  
is normal. Weather conditions in particular can affect  
door travel.  
• Decrease the UP travel by turning the UP Travel  
adjustment screw 2 full turns away from the arrow.  
• Re-tighten the outer nut so the chain is a 1/2" (13 mm)  
above the base of the rail. (When the door is  
reconnected and closed, the chain will sag. This is  
normal.)  
• Refer to Adjustment Step 1, Adjust the UP and DOWN  
Travel Limits. Decrease down travel by turning down  
limit adjustment screw clockwise.  
• If the trolley does not move away from the bolt, repeat  
the steps above.  
5. My lights will not turn off when door is open:  
• The garage door opener is equipped with a security  
light feature. This feature activates the light on when  
the safety sensor beam has been obstructed. Refer to  
Operation section; Using the Wall Mounted Door  
Control, Light Feature.  
29  
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Bell Wire  
Diagnostics  
Located On  
Motor Unit  
Installed  
Safety Reversing  
Sensor  
LED or  
Diagnostic  
LED  
Your garage door opener is programmed with  
self-diagnostic capabilities. The “Learn” button/diagnostic LED  
will flash a number of times then pause signifying it has found  
a potential issue. Consult Diagnostic Chart below.  
“Learn”  
Button  
Safety Reversing Sensor  
Diagnostic Chart  
Symptom: One or both of the Indicator lights on the safety sensors do  
not glow steady.  
• Inspect sensor wires for a short (staple in wire), correct wiring polarity  
(black/white wires reversed), broken or disconnected wires, replace/attach  
as needed.  
1 FLASH  
Safety sensors wire open  
(broken or disconnected).  
OR  
• Disconnect all wires from back of motor unit.  
• Remove sensors from brackets and shorten sensor wires to 1-2 ft. (30-60 cm)  
from back each of sensor.  
2 FLASHES  
• Reattach sending eye to motor unit using shortened wires. If sending eye  
indicator light glows steadily, attach the receiving eye.  
• Align sensors, if the indicator lights glow replace the wires for the sensors. If the  
sensor indicator lights do not light, replace the safety sensors.  
Safety sensors wire  
shorted or black/white  
wire reversed.  
Symptom: LED is not lit on door control.  
• Inspect door control/wires for a short (staple in wire), replace as needed.  
• Disconnect wires at door control, touch wires together. If motor unit activates,  
replace door control.  
3 FLASHES  
Door control or  
wire shorted.  
• If motor unit does not activate, disconnect door control wires from motor unit.  
Momentarily short across red and white terminals with jumper wire. If motor unit  
activates, replace door control wires.  
4 FLASHES  
Symptom: Sending indicator light glows steadily, receiving indicator light is  
dim or flashing.  
• Realign receiving eye sensor, clean lens and secure brackets.  
Safety Sensors  
slightly misaligned  
(dim or flashing LED).  
• Verify door track is firmly secured to wall and does not move.  
Symptom: Motor has over heated; the motor unit does not operate or trolley  
is stuck on stop bolt = Motor unit hums briefly; RPM Sensor =  
Short travel 6-8" (15-20 cm).  
• Unplug unit to reset. Try to operate motor unit, check diagnostic code.  
• If it is still flashing 5 times and motor unit moves 6-8" (15-20 cm), replace RPM  
sensor.  
5 FLASHES  
Motor overheated or  
possible RPM sensor  
failure. Unplug to reset.  
• If motor unit does not operate, motor unit is overheated. Wait 30 minutes and  
retry. If motor unit still will not operate replace logic board.  
6 FLASHES  
Symptom: Motor unit does not operate.  
• Replace logic board because motor rarely fails.  
Motor Circuit Failure.  
Replace Receiver  
Logic Board.  
30  
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PROGRAMMING  
NOTICE: If this Security✚® garage door opener is operated with a non-rolling code transmitter, the technical measure in  
the receiver of the garage door opener, which provides security against code-theft devices, will be circumvented. The  
owner of the copyright in the garage door opener does not authorize the purchaser or supplier of the non-rolling code  
transmitter to circumvent that technical measure.  
Your garage door opener has already been programmed at the factory to operate with your hand-held remote control.  
The door will open and close when you press the large push button.  
Below are instructions for programming your opener to operate with additional Security✚® remote controls.  
To Add or Reprogram a Hand-held Remote Control  
USING THE “LEARN” BUTTON  
USING THE MULTI-FUNCTION DOOR CONTROL  
9
1
9
1
7
3
7
3
5
5
KG  
KG  
LOCK  
LIGHT  
1. Press and hold the button on the  
hand-held remote* that you wish to  
operate your garage door.  
1. Press and release the “learn” button  
on the motor unit. The learn  
indicator light will glow steadily for  
30 seconds.  
2. While holding the remote button,  
press and hold the LIGHT button on  
2. Within 30 seconds, press and hold  
the button on the hand-held remote*  
that you wish to operate your garage  
door.  
the Multi-Function Door Control.  
LOCK  
LIGHT  
3. Continue holding both buttons while  
you press the push bar on the Multi-  
Function Door Control (all three  
buttons are held).  
LOCK  
3. Release the button when the motor  
unit lights blink. It has learned the  
code. If light bulbs are not installed,  
two clicks will be heard.  
LIGHT  
4. Release buttons when the motor unit  
lights blink. It has learned the code.  
If light bulbs are not installed, two  
clicks will be heard.  
To Erase All Codes From Motor Unit  
Memory  
*3-Button Remotes  
If provided with your garage door opener, the large  
button is factory programmed to operate it. Additional  
buttons on any  
To deactivate any unwanted remote, first  
erase all codes:  
Security✚® 3-Button remote  
or compact remote can be  
Press and hold the “learn” button on  
motor unit until the learn indicator light  
goes out (approximately 6 seconds). All  
previous codes are now erased. Reprogram each  
remote or keyless entry you wish to use.  
programmed to operate  
other Security✚® garage  
door openers.  
31  
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To Add, Reprogram or Change a Keyless Entry PIN  
NOTE: Your new Keyless Entry must be programmed to operate your garage door opener.  
USING THE “LEARN” BUTTON  
USING THE MULTI-FUNCTION DOOR CONTROL  
LOCK  
LIGHT  
1. Press and release the “learn” button  
on motor unit. The learn indicator  
light will glow steadily for 30  
seconds.  
NOTE: This method requires two people if the Keyless  
Entry is already mounted outside the garage.  
1. Enter a four digit personal  
identification number (PIN) of your  
choice on the keypad. Then press  
and hold ENTER.  
2. Within 30 seconds, enter a four digit  
personal identification number (PIN)  
of your choice on the keypad. Then  
press and hold the ENTER button.  
2. While holding the ENTER button,  
press and hold the LIGHT button on  
the Multi-Function Door Control.  
LOCK  
LIGHT  
3. Release the button when the motor  
unit lights blink. It has learned the  
code. If light bulbs are not installed,  
two clicks will be heard.  
3. Continue holding the ENTER and  
LIGHT buttons while you press the  
push bar on the Multi-Function  
Door Control (all three buttons are  
held).  
LOCK  
LIGH
To change an existing, known PIN  
If the existing PIN is known, it may be changed by one  
person without using a ladder.  
4. Release buttons when the motor  
unit lights blink. It has learned the  
code. If light bulbs are not installed,  
two clicks will be heard.  
1. Press the four buttons for the present PIN, then press  
and hold the # button.  
The opener light will blink twice. Release the # button.  
2. Press the new 4-digit PIN you have chosen, then  
press ENTER.  
2. Press the temporary 4-digit PIN you have chosen, then  
press ENTER.  
The motor unit lights will blink once when the PIN has  
been learned.  
The opener light will blink four times.  
3. To set the number of hours this temporary PIN will  
Test by pressing the new PIN, then press ENTER. The  
door should move.  
work, press the number of hours (up to 255), then  
press ✽.  
To set a temporary PIN  
OR  
You may authorize access by visitors or service people  
with a temporary 4-digit PIN. After a programmed number  
of hours or number of accesses, this temporary PIN  
expires and will no longer open the door. It can be used to  
close the door even after it has expired. To set a  
temporary PIN:  
3. To set the number of times this temporary PIN will work,  
press the number of times (up to 255), then press #.  
The opener light will blink once when the temporary PIN  
has been learned.  
Test by pressing the four buttons for the temporary PIN,  
then press ENTER. The door should move. If the  
temporary PIN was set to a certain number of openings,  
remember that the test has used up one opening.To clear  
the temporary password, repeat steps 1-3, setting the  
number of hours or times to 0 in step 3.  
1. Press the four buttons for your personal entry PIN (not  
the last temporary PIN), then press and hold the ✽  
button.  
The opener light will blink three times. Release the  
button.  
One Button Close: Opener can be closed by pressing only the ENTER button if the one button close feature has been  
activated. This feature has been activated at the factory. To activate or deactivate this feature press and hold buttons 1  
and 9 for 10 seconds. The keypad will blink twice when the one button close is active. The keypad will blink four times  
when one button close is deactivated.  
32  
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REPAIR PARTS  
Rail Assembly Parts  
5
1
3
4
2
KEY  
NO.  
PART  
NO.  
DESCRIPTION  
1
2
3
4
5
6
4A1008  
Master link kit  
41A4813  
41A3489  
1707LM  
41D3484  
83A11-2  
Chain pulley bracket  
Complete trolley assembly  
One-piece rail  
6
Full chain assembly  
Rail grease  
Installation Parts  
4
2
3
1
LOCK  
T
LIGH  
KEY PART  
NO. NO.  
DESCRIPTION  
1
2
3
4
5
6
7
8
9
41A5273-1  
Multi-function door control panel  
3 Button remote control  
6
373LM  
10A20  
3V2032 Lithium battery  
7
5
8
29B137  
41A2828  
41B4494-1  
41A5047  
41A4353  
41A5034  
Remote control visor clip  
Emergency release rope & handle assembly  
2-Conductor bell wire, white & white/red  
Door bracket w/clevis pin & fastener  
Header bracket w clevis pin & fastener  
N
O
TIC  
E
10  
9
Safety sensor kit (receiving and sending  
eyes) with 3' (.9 m)  
Y
L
N
O
T
N
U
O
M
G
N
I
L
I
E
C
P
U
2-conductor bell wire  
10  
11  
12  
178B34  
Straight door arm section  
Curved door arm section  
Safety sensor brackets (2)  
NOT SHOWN  
178B35  
12  
41A5266-1  
11  
41A2770-6  
114A3044  
Installation hardware bag  
(includes hardware listed on page 5).  
Owner’s manual  
114A3044SP Owner’s manual - Spanish  
33  
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Motor Unit Assembly Parts  
18  
1
2
3
4
6
17  
6
10  
16  
5
7
19  
7
11  
14  
8
15  
13  
(Down)  
Contact  
LIMIT SWITCH  
ASSEMBLY  
9
Brown  
Wire  
N D  
Grey  
Wire  
U P  
12  
Drive  
Gear  
Center Limit  
Contact  
(Up)  
Contact  
Yellow  
Wire  
KEY PART  
KEY PART  
NO. NO.  
NO.  
NO.  
DESCRIPTION  
DESCRIPTION  
1
2
31D380  
Sprocket cover  
12  
13  
14  
15  
16  
17  
41A5525-1  
Cover  
41C4220A Gear and sprocket assembly  
Complete with: Spring washer,  
thrust washer, retaining ring,  
41A2818  
41D3452  
41A2822-1  
41C4398A  
41AC050  
Limit switch drive & retainer  
Limit switch assembly  
Interrupter cup assembly  
RPM sensor assembly  
bearing plate, roll pins (2), drive  
gear and worm gear, helical gear  
w/retainer and grease  
Receiver logic board assy.  
Complete with: Logic board,  
end panel w/all labels, light  
socket  
3
41A2817  
41B4245  
Drive/worm gear kit w/grease,  
roll pins (2)  
4
5
Line cord  
18  
19  
41C5498  
41C5497  
Low voltage wire harness assy.  
High voltage wire harness assy.  
41A5484-1 End panel w/all labels  
6
4A1344  
108D79  
30B532  
12A373  
41A3150  
41D3058  
Light socket  
41D180-1  
End panel w/all labels  
7
Lens  
NOT SHOWN  
Motor shaft bearing kit  
Opener assembly hardware kit  
(includes screws not  
designated by a number in  
illustration)  
8
Capacitor - 1/2 HP  
Capacitor bracket  
Terminal block w/screws  
41A2826  
41A2825  
9
10  
11  
Universal replacement motor &  
bracket assembly  
Complete with: Motor, worm,  
bracket, bearing assembly, RPM  
sensor  
34  
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ACCESSORIES  
Outside Quick Release:  
1702LM  
395LM  
Remote Light Control:  
Required for a garage with NO access  
door. Enables homeowner to open  
garage door manually from outside by  
disengaging trolley.  
Enables homeowner to turn on a lamp,  
television or other appliance from their  
car with their garage door opener  
remote or from anywhere in their home  
with an additional LiftMaster Security✚®  
remote.  
1708LM  
8 Foot (2.4 m) Complete Rail:  
373W  
Designer Burled Walnut 3-Button  
Remote Control with Security✚®:  
To allow an 8 foot (2.4 m) door to open  
fully.  
Includes visor clip.  
1710LM  
373LM  
3-Button Security✚® Remote Control:  
10 Foot (3 m) Complete Rail:  
To allow a 10 foot (3 m) door to open  
fully.  
Includes visor clip.  
374LM  
370LM  
4-Button Security✚® Remote Control:  
Extension Brackets:  
41A5281  
(Optional) For safety sensor installation  
onto the wall or floor.  
Includes visor clip.  
78LM  
Multi-Function Door Control Panel:  
3-Button Mini-Remote Control with  
Security✚®:  
Provides a Lock Feature which  
prevents operation of garage door  
opener from portable remotes and a  
Light Feature for constant light.  
With key ring and fastening strip.  
LOCK  
LIGHT  
2 & 3 Door Multi-Function Wall  
Control:  
915LM  
Garage Door Monitor:  
902LM/903LM  
Security for the largest door of your  
home!  
Ideal for homes with up to three garage  
doors. Combine up to three controls  
into one wall control panel for a neat  
compact appearance. Enhanced  
functions include Lock Feature to lock  
out outside radio signals while you are  
away from home and turn opener lights  
on or off from the control panel.  
Tells you if your garage door is open or  
closed. Monitors up to 4 garage doors  
by adding additional sensor modules.  
CLOSED  
OPEN  
377LM  
Wireless Keyless Entry with  
916LM  
Garage Door Monitor Sensor:  
Security✚®:  
Additional accessory sensor for homes  
with multiple garage doors.  
Enables homeowner to operate garage  
door opener from outside by entering a  
password on a specially designed  
keyboard. Also can add a temporary  
password for visitors or service  
persons. This temporary password can  
be limited to a programmable number  
of hours or entries.  
35  
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®
LIFTMASTER SERVICE IS  
HOW TO ORDER  
REPAIR PARTS  
ON CALL  
Selling prices will be furnished on request or parts will be  
shipped at prevailing prices and you will be billed accordingly.  
OUR LARGE SERVICE ORGANIZATION  
SPANS AMERICA  
WHEN ORDERING REPAIR PARTS, ALWAYS GIVE THE  
FOLLOWING INFORMATION:  
INSTALLATION AND SERVICE INFORMATION IS AS NEAR  
AS YOUR TELEPHONE. SIMPLY DIAL OUR TOLL FREE  
NUMBER:  
• PART NUMBER  
• PART NAME  
• MODEL NUMBER  
1-800-528-9131  
ADDRESS ORDERS TO:  
THE CHAMBERLAIN GROUP, INC.  
Technical Support Group  
6020 S. Country Club Road  
Tucson, Arizona 85706  
www.liftmaster.com  
For professional installation, parts and service, contact  
your local LIFTMASTER/CHAMBERLAIN dealer. Look for him  
in the Yellow Pages, or call our Service number for a list of  
dealers in your area.  
SERVICE INFORMATION  
TOLL FREE NUMBER:  
1-800-528-9131  
LIFTMASTER ONE-YEAR LIMITED WARRANTY  
LIFETIME MOTOR LIMITED WARRANTY  
The Chamberlain Group, Inc. (“Seller”) warrants to the first retail purchaser of this product, for the residence in which this product is originally  
installed, that it is free from defect in materials and/or workmanship for a period of one year from the date of purchase [and that the motor is free  
from defect in materials and/or workmanship for the lifetime of the product]. The proper operation of this product is dependent on your compliance  
with the instructions regarding installation, operation, maintenance and testing. Failure to comply strictly with those instructions will void this  
limited warranty in its entirety.  
If, during the limited warranty period, this product appears to contain a defect covered by this limited warranty, call 1-800-528-9131, toll free,  
before dismantling this product. Then send this product, pre-paid and insured, to our service center for warranty repair. You will be advised of  
shipping instructions when you call. Please include a brief description of the problem and a dated proof-of-purchase receipt with any product  
returned for warranty repair. Products returned to Seller for warranty repair, which upon receipt by Seller are confirmed to be defective and  
covered by this limited warranty, will be repaired or replaced (at Seller’s sole option) at no cost to you and returned pre-paid. Defective parts will  
be repaired or replaced with new or factory-rebuilt parts at Seller’s sole option.  
ALL IMPLIED WARRANTIES FOR THE PRODUCT, INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF  
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE LIMITED IN DURATION TO THE ONE YEAR LIMITED  
WARRANTY PERIOD SET FORTH ABOVE [EXCEPT THE IMPLIED WARRANTIES WITH RESPECT TO THE MOTOR, WHICH ARE LIMITED  
IN DURATION TO THE LIFETIME LIMITED WARRANTY PERIOD FOR THE MOTOR], AND NO IMPLIED WARRANTIES WILL EXIST OR  
APPLY AFTER SUCH PERIOD. Some States do not allow limitations on how long an implied warranty lasts, so the above limitation may  
not apply to you. THIS LIMITED WARRANTY DOES NOT COVER NON-DEFECT DAMAGE, DAMAGE CAUSED BY IMPROPER  
INSTALLATION, OPERATION OR CARE (INCLUDING, BUT NOT LIMITED TO ABUSE, MISUSE, FAILURE TO PROVIDE REASONABLE  
AND NECESSARY MAINTENANCE, UNAUTHORIZED REPAIRS OR ANY ALTERATIONS TO THIS PRODUCT), LABOR CHARGES FOR  
REINSTALLING A REPAIRED OR REPLACED UNIT, REPLACEMENT OF BATTERIES AND LIGHT BULBS OR UNITS INSTALLED FOR  
NON-RESIDENTIAL USE.  
THIS LIMITED WARRANTY DOES NOT COVER ANY PROBLEMS WITH, OR RELATING TO, THE GARAGE DOOR OR GARAGE DOOR  
HARDWARE, INCLUDING BUT NOT LIMITED TO THE DOOR SPRINGS, DOOR ROLLERS, DOOR ALIGNMENT OR HINGES. THIS LIMITED  
WARRANTY ALSO DOES NOT COVER ANY PROBLEMS CAUSED BY INTERFERENCE. ANY SERVICE CALL THAT DETERMINES THE  
PROBLEM HAS BEEN CAUSED BY ANY OF THESE ITEMS COULD RESULT IN A FEE TO YOU.  
UNDER NO CIRCUMSTANCES SHALL SELLER BE LIABLE FOR CONSEQUENTIAL, INCIDENTAL OR SPECIAL DAMAGES ARISING IN  
CONNECTION WITH USE, OR INABILITY TO USE, THIS PRODUCT. IN NO EVENT SHALL SELLER’S LIABILITY FOR BREACH OF  
WARRANTY, BREACH OF CONTRACT, NEGLIGENCE OR STRICT LIABILITY EXCEED THE COST OF THE PRODUCT COVERED  
HEREBY. NO PERSON IS AUTHORIZED TO ASSUME FOR US ANY OTHER LIABILITY IN CONNECTION WITH THE SALE OF THIS  
PRODUCT.  
Some states do not allow the exclusion or limitation of consequential, incidental or special damages, so the above limitation or exclusion may not  
apply to you. This limited warranty gives you specific legal rights, and you may also have other rights which vary from state to state.  
© 2007, The Chamberlain Group, Inc.  
114A3044F  
All Rights Reserved  
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