SERVICE MANUAL
MODELS:
GBC GLS28, GLX20, GLM11, GLHS9
REXEL RLS28, RLX20, RLM11, RLSM9
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(2008.12.18)
Table of Contents
INTRODUCTION
1
2
SPECIFICATIONS
INSTALLATION
TROUBLESHOOTING
3-7
DISASSEMBLY/ADJUSTMENTS
8-9
MAINTENANCE
10.0 SPECIAL INSTRUCTIONS
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Introduction
1
a
a
g
g
e
d
e
d
f
f
b
b
c
c
Models: GBC GLS28, GLX20 / REXEL RLS28, RLX20
Models: GBC GLM11, GLHS9 / REXEL RLM11, RLSM9
a
Indicator Panel
b Door for Bin
c
Wheels
d Power On Button
e
f
Auto Feed Button
Reverse Button
g CD Slot
1
2
3
4
Illuminated Panel
1
2
3
4
Power On
Shredder not OK
Door Open
Bin Full
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Specifications
2
Speciꢀcations
Models
GLS28
GLX20
Sheet Capacity -
Duty Cycle -
Volts / Hz
28 sheets
20 sheets
Continuous operation
120V AC / 60Hz
8.0 A
Continuous operation
120V AC / 60Hz
10.0 A
Amperage
Models
GLM11
GLHS9
Sheet Capacity -
11 sheets
9 sheets
Duty Cycle -
Volts / Hz
Continuous operation
120V AC / 60Hz
10.0 A
Continuous operation
120V AC / 60Hz
8.0 A
Amperage
Speciꢀcations
Models
RLS28
RLX20
Sheet Capacity -
Duty Cycle -
Volts / Hz
28 sheets
20 sheets
Continuous operation
230-240V AC / 50Hz
6.0A
Continuous operation
230-240V AC / 50Hz
7.0A
Amperage
Models
RLM11
RLSM9
Sheet Capacity -
11 sheets
9 sheets
Duty Cycle -
Volts / Hz
Continuous operation
230-240V AC / 50Hz
5.0A
Continuous operation
230-240V AC / 50Hz
5.0A
Amperage
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Troubleshooting
3
Mechanical Operation
The shredder uses two rotating cutting shafts,
which are driven by an electrical motor to shred
paper.
Bag Full Flap Switch - The ap switch is a normally
open switch actuated by the bag full ap. When the
shred bag becomes full of shredded material, the
bag full ap is pushed back and power is then
removed from the motor circuit.
Electrical Operation
Paper Sensors - Located in the throat area consist-
ing of two components, the emitter and receiver.
When the center power on switch is pressed,
all the LED warning symbols on the indicator
The shredder will now
Emitter - The infrared light beam from the light emit-
ting diode is sensed by the receiver to activate/deac-
tivate the control board.
be in standby mode and the “Power-on” symbol
on the indicator panel will be illuminated amber.
When the shredder is in standby mode and the the
cabinet door is opend,the normally closed door
adjar micro switch is opened and prevents power to
the motor until the door is closed.. When the bag full
sensor is triggered, the bag full icon will illuminate.
The control board will then disable the motor circuit
until the shredder bag is either cleared or emptied.
Receiver - The receiver is a light activated diode,
which works in conjunction with the emitter to acti-
vate/deactivate the control board.
Testing Electrical Components
WARNING!
When the shredder is severely loaded down, the
control board will illuminate red and disable the
motor circuit.
Always disconnect the power cord from receptacle
before making continuity or resistance tests.
Switches
Electrical Components
Set meter to read resistance. Check switches for
continuity from common to closed contacts and
ity from common to the open contact.
Motor - Thermally protected motor designed for
continous operation.
Emitter - Set meter to the diode setting. Disconnect
emitters from the control board. With the positive
meter probe on the emitter wire and the negative
meter probe on the black-stripped emitter wire,
check for approximately .639 ohms. Reverse the
Capacitor - AC motor run capacitor.
Power on/Auto feed on switch - The Power on
/Auto feed on switch, when depressed, connects
the hot and neutral circuits to electrical components
of the shredder.
meter leads and
should be read.
Receiver - Set meter to read 20M ohms. Disconnect
the receiver from the control board. With the positive
meter probe on the receiver wire and the negative
meter probe on the receiver wire check for app-
roximately 4.62 Mega ohms under normal room
light. The resistance will increase when blocked.
Door ajar, Machine head safety switch - The safety
switch is a normally open micro switch which is
actuated by a trigger located inside of the cabinet door.
The switch is normally closed when the door is
closed and when the machine head is installed on the
cabinet.
Reverse the meter leads and
should be read.
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Troubleshooting
4
General Troubleshooting
Troubleshooting Chart
Malfunction corrections are based on visual obser-
vations made by the operator. The causes of the
malfunctions are isolated by the symptom of the
malfunction and noting at which point in the operat-
ing cycle the malfunction occurred. Malfunctions
may be pinpointed to adefective electrical compo-
nent or mechanical part by referring to the
Principles of Operation, the troubleshooting guide
and the wiring diagram.
The troubleshooting guide chart that follows is
arranged in order of the normal operational
sequence. When amalfunction occurs, read down
the SYMPTOM column until you
the appropri-
ate description for your symptom. Read the corre-
sponding PROBABLE CAUSE, then perform the
recommended procedure in the CORRECTIVE
ACTION column. When replacing electrical compo-
nents that have push on terminals, label the electri-
cal leads that were removed, to facilitate reconnect
ing them. Refer to the wiring diagram on page 6
to resolve any wiring di culties that may occur.
WARNING!
Always unplug the shredder to avoid possible elec-
trical shock hazard before attempting to perform
any repairs.
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Troubleshooting
5
Power Cord Disconnected.
Connect Power Cord
Shredder Does Not
Operate, No Indication Of
Power
Power switch Defective
Main Board Defective
Replace Power Switch
Replace Main Board
Shredder Head Not
Installed Properly
Reposition Shredder Head
Shredder Does Not
Operate, With Indication
Of Power Present
Cabinet Door Open
Shred Bag Full
Close Door
Empty Bag
Motor Thermal Cut
Triggered
Allow Motor To Cool
Door Switch Defective
Replace Door Switch
Replace Capacitor
Defective Capacitor
Motor Defective
Shredder Does Not
Operate, (When Paper Is
Present In The Throat)
Check Motor Input Voltage
Replace Motor If Necessary
Emitter/Receiver Defective
Main Board Defective
Replace If Necessary
Replace If Necessary
Clean Or Replace
Dust Or Scratch On
Emitter/Receiver
Shredder Runs
Continuously
Defective Control Board
Replace If Necessary
Replace If Necessary
Emitter/Receiver Defective
Sheet Capacity
Diminished
Dry Blades
Lubricate Cutters
Replace Cutters
Replace Bearings
Dull Cutters
Worn Bearings
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Troubleshooting
6
Auto-Forward
Power SW(PUSH) 16A/250VAC
S1
LED4
LED3
LED2
LED1
SW5
SW6
standy by(flash GREEN)&auto(GREEN)
Reverse
Bin Full(red)
JAM&REVERSE(RED) Bin OPEN(RED)
panel board
JA1
CON3
8PIN/2.0
POWER1
PCB box
CON2
8PIN/2.0
Power5.08MM SW
JA1
GND
2
1
AC POWER CORD
SW2
NO
COMMON
3
2
1
NC
Main Board
Paper Trigger
Emitter
DOOR SAFETY SW
Incept
EMITTER
Photo LED
1
2
2
1
2.0mm/2p
M1
1
2
3
4
5
TS1
3
Paper Trigger
receiver
1
2
5.08/5P
2.5mm/2p
INDUCTION MOTOR
CN1
BIN2A1
2P/2.0MM
BIN1A1
3P-2.0
2.5MM/4P
Bin Full
detection
CD Detection
sensor
SW4
COMMON
NO
NC
E
C
BIN FULL SW
Incept
EMITTER
Binfull Trigger
Incept
Photo
Photo LED
EMITTER
Photo LED
sensor(#5)
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Troubleshooting
7
Reverse
5V SW
UB1 MOC3063
R17
6
1
Reverse
1K 1/4W
R18
R19
470 1/4W
3
5
2
3
47/0.5W
C5
QA1
TMG16C80
U4B
TC0
R21
4
4
3
Reverse
R12
10k 1/8w
1K 1/4W
MOTOR1
0.01U/250VAC
USE INFR DETECT MOTOR SPEED TO JAM
JA2
5V SW
1
2
3
4
5
Line SW
Line SW
QA1,QA2 TMG25C60
QA1,QA2 TMG16C80
1
2
D3
NEUTRAL
R24
10K 1/8W
IR
U4D
74HC14
3.96MM (3-1)PIN
MOTORCAP1
1N4148
5V SW
JAM1B1
5.08/5P
TO INDUCTOR MOTOR
UB2 MOC3063
9
8
R23
6
1
1
2
3
Forward
Forward
1K 1/4W
C7
0.1U/50V
R25
Motor jam
U4C
TRAN
E
R27
C
R26
6
470 1/4W
5V SW
3
5
2
3
5
3P-2.0MM
47/0.5W
Forward
QA2
TMG16C80
R28
1K 1/4W
PHOTO JAM DETECT
頻? 120HZ
2.2K 1/8W
C8
R29
4
74HC14_2
R14
10k 1/8w
0.01U/250VAC
Line SW
560 1/8W
JAM-1A1
5V
5VSW
QA5
SS8550
1
2
3
5VSW
R13
10K 1/8W
R20
1k 1/8W
R40
R40
22K/1W
51K/1W
R41
TCO detection
SW2
COMMON
TCO
NO
NC
4.7K 1/8W U4A
C12
D5
R11
R40
51K/ 1W
5VSW
5V SW
R33
Q11
SC1815
D8
Timmer
5VSW
R3151K/1W
R31100K/0.5W
1
2
1.5K 1/8W
C10
1N4148
+
10UF/25V
1N4007
door Open
R32
DOOR SAFETY SW
R22
C14
R30
1K 1/8W
D7
1N4004
R31
4.7UF/25V
74HC14
47K 1/8W
0.1U/50V
10K 1/8W
47K 1/8W
U25
EL-817
U3B
NEUTRAL
5
6
+
-
周
期2ｍS
100K 1/2W
7
Line SW
F1 T15A/250VAC
F1 T10A/250VAC
TCO SIG
C11
REF 3V
U26
EL-817
NEUTRAL
LM393
0.1U/50V
F1
C193.5UF/250V
C19 2.0UF/400V
T10A,250VAC(NORMAL)
R37
Power OUT
CY1
U6
5V
470K 1/2W
472/400V
D9
7805 TO-220
Power IN
3
1
I
O
C19
C24
V1
IN4004
+
2UF/400V
0.47uF/275V
CX1
C13
+
D16
D18
IN4004
JA1
MOV 270V
220UF/16V
AC POWER CORD
IN4004
C27
220UF/35V
R35
C26
0.1U/50V
C25
470k/0.5W
R42
0.1U/50V
GND
D17
IN4004
CY2
472/400V
NEUTRAL
22UF/50V
220k 1/2W
Title
Size
Date:
Large Office Shredder Main Board Motor Control Block
Document Number
Control Motor
Rev
V1
C25 33UF/50V
C2522UF/50V
R&C POWER SUPPLY
Input :USA:AC108Vac-132Vac/60Hz
Input:EU:AC207Vac-254Vac/50Hz
Monday, October 27, 2008
Sheet
2
of
6
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Troubleshooting
8
Necessary Tools
1.
Engine Assy. (Cutting Head Assy.) Removal
Adjustable wrench
2. #2 Phillips Screwdriver
Disassembly of the shredder is described in the following steps.
1
Top Housing Removal
1. Remove the six phillip head screws that secure the main pcb
box to the bottom base.
2. Remove pcb box front cover. Unplug and label all wires from
main pcb box.
2
2
2
WARNING!
Disconnect the unit from the receptacle before performing
any disassembly procedures.
1.Unplug the power cord from the outlet power supply.
2.Open cabinet door and remove the 3 phillip head screws that
secure shredder top cover to cabinet base.
3.Remove the 4 phillip head screws from the back side of the
shredder which secures top cover to cabinet base.
4. Lift top cover. Remove and label the 3 cables from control
panel.
3
3. Open cabinet door and remove the four (14 mm) hex nuts and
two wing nuts from the bottom base of engine (cutting head).
4. Carefully lift out engine ( cutting head ) assy and place
place on your work area.
3
3
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5.0 Troubleshooting
9
Gear Box Removal
External Cleaning
Make sure you disconnect the shredder from its power source
before cleaning. The cover and cabinet may be cleaned with
a soft cloth moistened with a mild detergent and warm water.
Do not use chemical cleaners or solvents as these may have
a harmful e ect. Use detergent sparingly to avoid contact with
electronic components.
3
Inspection
Whenever the cover has been removed for corrective mainte-
nance, visually inspect for defects such as loose screws or
nuts, damaged wire insulation, loose terminals, etc. Correct
any defects before returning the shredder into service.
2
1
1. Remove the six phillips screws from the gear box cover.
2. Remove the two 14mm bolts.
3. Remove the two phillips screws from the encoder housing.
4. Remove gearbox cover.
Motor Removal
1. Remove large double drive gear.
2. Remove small double drive gear.
5
3
4
3. Remove the Four phillip screws.
4. Remove the two 14mm bolts.
5. Remove support bar and replace motor.
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TM
Full Circle Service
10303 80th Avenue
12/18/08
Pleasant Praire, Wi 53158
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