Fisher Paykel Dishwasher DD605 User Manual

Diagnostic Manual  
DishDrawer™  
MODELS:  
DD605 DS605  
Fisher & Paykel Appliances © 2007 - All Rights Reserved  
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1
DIMENSIONS & SPECIFICATIONS  
1.1  
Product Size (mm)  
Height (double)  
Height (single)  
Width  
819.5 – 879.5mm  
409mm  
595mm  
Depth  
570mm  
Drawer Open  
(including cabinet)  
1090mm  
1.2  
Specifications  
Electrical  
NZ/AUS/UK/UE  
USA  
JAP  
230-240Volt AC 50Hz 10 amp/5 amp max.  
110-120Volt AC 60Hz 10.6 amp/5.3 amp max.  
90-110Volt AC 50/60Hz 11.6 amp/5.3 amp max.  
Water Inlet Valves  
24Volt DC  
65 ± 10 Ohms  
2.5 Lt/min (0.65 US gal/min)  
4 Lt/min  
Japan only  
Chassis P.C.B.  
NZ/AUS/UK/UE  
USA/JAP  
230 Volt AC  
120 Volt AC  
o
o
Temperature Sensor  
(On Heater Plate)  
12000 Ohms @ 20 C (68 F)  
o
o
8300 Ohms @ 30 C (86 F)  
o
o
3000 Ohms @ 60 C (140 F)  
Drying Fan  
2 to 3 Meg Ohms  
Motor  
Drain  
Wash  
80 Volt DC 3 Phase Brushless  
4200 RPM  
2300 – 2850 RPM  
Stator  
Inlet Hose  
8 ± .5 Ohms per winding  
1.56m (61 inches)  
1000Kpa (145 PSI)  
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Drain Hose  
2.01m (78 inches) from rear of cabinet  
2.5m (98 inches) bottom tub  
2.9m (114 inches) top tub  
Detergent Dispenser  
Rinse Aid Dispenser  
24 Volt DC  
65 ± 10 Ohms  
24 Volt DC  
65± 10 Ohms  
Heater Plate (NZ/AUS/UK/UE) 230 Volt AC  
Heater Track  
Power Supply Resistor  
50 ± 4 Ohms  
98 + 7 Ohms  
Heater Plate (USA)  
Heater Track  
Power Supply Resistor  
120 Volt AC  
24 ± 3 Ohms  
24 + 3 Ohms  
Heater Plate (JAP)  
Heater Track  
Power Supply Resistor  
100 Volt AC  
20 ± 2 Ohms  
19 + 3 Ohms  
Diverter Valve Softener Assy 24 Volt DC  
65 + 10 Ohms  
Brine Pump  
24 Volt DC  
65 + 10 Ohms  
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2
OPTION ADJUSTMENT  
2.1  
Changing Setup Options  
To enter the option adjustment mode, press POWER to turn the LCD on, then  
hold the ECO button and KEYLOCK button simultaneously for 5 seconds,  
ensuring that ECO is pressed first. Once the option adjustment mode is  
entered, a beep is emitted and the LCD displays the letters rA. Pressing the  
START/PAUSE button scrolls through the options and allows changes as  
follows:-  
Rinse Aid Setup (rA).  
Water Supply Hardness Setup (hd). (Water softener models only)  
Auto Power Option (AP).  
End of Cycle Beeps (EC).  
Closed Drawer Option (Ld).  
Clean/Dirty Dish Symbol (dS).  
Integrated and flat door models:- On an integrated or flat door  
DishDrawer™ where there is no display, the option chosen is indicated by the  
lights showing on the integrated badge as follows:-  
Rinse Aid Setup (red light above START/PAUSE button).  
Water Supply Hardness (green light above START/PAUSE button).  
Auto Power Option (orange light above START/PAUSE button).  
End of Cycle Beeps (green light above START/PAUSE button and ECO light  
is red).  
Closed Drawer Option (red light above START/PAUSE and ECO light is red).  
Clean/Dirty Dish Symbol (not available on Integrated or flat door models).  
Dry Enhancement Option (no light above buttons, ECO light is red).  
Press POWER at any time to exit this setup mode.  
2.1.1  
Rinse Aid Setup (rA)  
The current rinse aid setting is shown using the red LED’s on the touch switch  
panel.  
The amount of rinse aid dispensed into a rinse cycle can be varied to suit the  
level of hardness of the local water supply. It is adjusted for 1 - 5 dispensing  
levels.  
(1 = approx 0.5mls (1/10) teaspoon of rinse aid, 5 = approx. 2.5mls (1½)  
teaspoon of rinse aid).  
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Press KEYLOCK to advance the rinse aid setting. Once the desired setting is  
achieved, press POWER to exit. The rinse aid index is stored in EE memory,  
so even with the power removed, the rinse aid level is retained.  
2.1.2  
Water Supply Hardness Setup (hd) (Where Fitted)  
The current supply hardness setting is shown using the red LED’s on the  
touch switch panel. One of 5 settings should be selected according to the  
known hardness of the supply water. Each setting is appropriate for the  
following water supply hardness:  
No LED Water Softener turned off, continuous bypass of softener.  
1 LED  
2 LEDs  
3 LEDs  
4 LEDs  
5 LEDs  
150-250 ppm water supply hardness.  
250-350 ppm water supply hardness.  
350-450 ppm water supply hardness.  
450-550 ppm water supply hardness.  
550-625 ppm water supply hardness.  
Press KEYLOCK to advance the Water Softener setting. Once the desired  
setting has been achieved, press POWER to exit.  
Selection of a setting affects how the Electronic Controller diverts supply  
water, how much water is treated, and how much salt is used in regeneration,  
in a manner that optimises the performance of the Water Softener.  
2.1.3  
Auto Power Option (AP)  
The automatic power up sequence that occurs when the tub is opened can be  
turned on or off using the KEYLOCK button. If the scrubbing brush symbol is  
showing on the LCD, then the auto power up sequence will occur when the  
tub is opened. If the scrubbing brush symbol is not showing, then the  
DishDrawer™ will not automatically power up when the tub is opened (the  
customer will need to press the power button each time they wish to use the  
DishDrawer). Press POWER to exit when the desired setting has been  
selected.  
2.1.4  
End of Cycle Beeps (EC)  
The six beeps that occur at the end of the cycle can be turned on or off using  
the KEYLOCK button. If the scrubbing brush symbol is showing on the LCD,  
then the end of cycle beeps are activated. If the scrubbing brush symbol is  
not showing, then the end of cycle beeps are deactivated. Press POWER to  
exit when the desired setting has been selected.  
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2.1.5  
Closed Drawer Option (Ld)  
The closed drawer option can be turned on or off using the KEYLOCK button.  
If the scrubbing brush symbol is showing on the LCD, then the closed drawer  
option is selected and it will keep the DishDrawer™ locked at all times by  
bringing the lid down. When this mode is selected, the customer needs to  
press the POWER button to lift the lid whenever they want to open the  
drawer. When they close the drawer again, the lid comes down automatically  
after 30 seconds and locks the tub. If the scrubbing brush symbol is not  
showing, then the closed drawer option is deactivated. Press POWER to exit  
when the desired setting has been selected.  
2.1.6  
Clean/Dirty Dish Symbol (dS)  
(Not available on integrated or flat door models)  
The clean/dirty dish symbol can be turned on or off using the KEYLOCK  
button. If the scrubbing brush symbol is showing on the LCD, then the  
clean/dirty dish option is selected. This means that the end of cycle clean  
dishes symbol will remain in the LCD display until the power button is pressed  
to clear it. If the scrubbing brush symbol is not showing, then the clean/dirty  
dish symbol will disappear when the drawer is first opened at the end of a  
cycle (factory setting). Press POWER to exit when the desired setting has  
been selected.  
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3
DIAGNOSTICS  
3.1  
DishDrawer™ Diagnostics  
Dishwasher Diagnostics can only be entered in Power Off mode, i.e. when  
there is no display on the LCD or the badge LED’s are off. Diagnostics is  
entered by holding the KEYLOCK and START/PAUSE buttons  
simultaneously for 5 seconds. Ensure that KEYLOCK is pressed first.  
There are currently four levels of diagnostics. To move to the next level,  
press POWER. To enter a level, press START/PAUSE. Once a level has  
been entered, pressing POWER will exit diagnostics completely. If no level is  
entered, then the display will cycle through the four levels and exit after the  
last. On entering diagnostic mode, the first level is the Display/Download  
Mode.  
3.2  
In this mode, all LED’s and LCD segments (except keylock) are illuminated.  
3.3  
Display/Download Mode  
Optical LED Download/Fault Display  
An optical data download is available here to download all EE data to a PC or  
Palm PC via the lower tub-home sensor light pipe. Hold the reader pen over  
the lower tub-home sensor light pipe and press START/PAUSE to initiate the  
download. A short beep indicates the start and finish of download.  
The last two faults are displayed on the LCD (secondary control panel LEDs  
for integrated and flat door models) during the optical download. The Current  
Fault code is displayed first followed by the Previous Fault Code. To read the  
Fault Code on the secondary display, refer to Section 4.7 on Fault Codes.  
3.4  
Clearing Fault Logs  
To clear the current fault code, press the KEYLOCK button until a beep is  
sounded. This action moves the current fault into the previous fault while  
clearing the current fault. To clear the previous fault code, press KEYLOCK  
once more until the beep is sounded.  
Warning: Once a fault code has been cleared, it is permanently removed  
from memory and cannot be recovered.  
Press POWER to advance to the next level.  
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3.5  
Hardware Output Diagnostic Test Mode  
This level tests all the hardware outputs and inputs. The LCD display shows  
“HO”.  
Press POWER to skip hardware diagnostics and advance to the next level.  
Press START/PAUSE to enter hardware diagnostics.  
Once hardware diagnostics has been entered, the current hardware output  
being tested is indicated by letters in the LCD display, and for integrated and  
flat door models the LEDs on the touch switch panel using binary encoding,  
as shown in the table on the next page.  
Different combinations of outputs can be switched on or off together, but the  
controller will prevent higher current drawing components such as the wash  
pump and the lid motors being turned on together.  
Press START/PAUSE to advance to the next hardware output.  
Press KEYLOCK to turn the currently displayed output on or off. If the  
scrubbing brush symbol (green LED above start/pause button on integrated  
and flat door models) is displayed, then that output has been switched on,  
and if it is not displayed then that output is off.  
Press POWER to exit at any time (all outputs will be switched off on exit).  
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As mentioned on the previous page, the LCD display and touch switch panel  
LEDs are illuminated to correspond to a particular hardware device. The  
following table details the display order of the test.  
Norm Fast Deli Rinse  
Hardware Output  
LCD LED LED LED LED  
bL  
Er  
Ld  
dd  
FU  
P1  
Off  
Off  
Off Off  
Off On  
Off On  
On Backlight  
Off Element Relay  
Off  
Off  
Off  
Off  
On Lid Motors (will run for 10 seconds)  
Off Detergent Diverter Valve  
On Fill Water Valve  
Off Motor Wash direction (2300-2850  
rpm)  
On  
On  
On  
Off  
Off  
On  
P2  
rd  
Off  
On  
On  
Off Off  
On  
On Motor Drain direction (4200 rpm)  
Off Rinse Aid Dispenser (dispenses  
current setting)  
dF  
LE  
C1  
C2  
C3  
°C  
°E  
On  
On  
On  
On  
On  
On  
On  
Off Off  
Off On  
Off On  
On Drying fan  
Off Rinse Aid LED  
On Water Softener Diverter Valve  
Off Water Softener Brine Pump  
On Water Softener Brine Valve  
Off Displays current water temperature.  
On Displays controller rail voltage  
On  
On  
On  
On  
Off  
Off  
On  
On  
(C3 is used in the Factory to empty the Water Softener before the Product is  
packed.)  
WARNING: In diagnostic mode there is no component protection. Therefore  
take care when running individual components not to overload them. It is  
advisable to avoid turning the element on without placing some water in the  
tub first.  
NB : No fault codes will come up while in diagnostics mode.  
Tub Home Sensor Test: At any time during HO test mode, the Keylock  
symbol on the LCD display (Keylock LED on integrated badge) indicates the  
tub position. On = Closed, Off = Open.  
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3.6  
Fast Test Cycle  
WARNING: Only run this cycle if the DishDrawer™ is connected to the water  
supply.  
This level runs an 8 minute fast test cycle.  
Press POWER to skip Fast Test Cycle and advance to the next level.  
Press START/PAUSE to enter Fast Test cycle.  
Once Fast Test Cycle is selected the DishDrawer™ goes into standby mode  
and 8 minutes will be showing on the display. The test cycle is started by  
pressing START/PAUSE, and the following components are run during the 8  
minute cycle that follows:- Lid motors, fill valve, wash motor, element, drain  
motor, drying fan.  
Press POWER to exit at any time.  
3.7  
Continuous Cycle Test Mode  
In this level the DishDrawer™ can be run continuously in any wash cycle.  
Once the cycle has finished, the DishDrawer™ automatically restarts the  
same wash cycle.  
Press POWER to skip Continuous Cycle. As this is the last level, doing this  
will exit diagnostics.  
Press START/PAUSE to enter Continuous Cycle.  
Once selected, the LCD backlight flashes on and off to indicate the  
DishDrawer™ is in continuous cycle and the cycle starts straight away (for  
integrated and flat door models the LED above the start/pause button will be  
orange instead of green to indicate the DishDrawer™ is running in continuous  
cycle). It will run the last cycle that had been selected prior to going into  
diagnostics mode.  
If it is desired to run a different cycle, exit diagnostics, turn the DishDrawer™  
on as normal and select the cycle required. Then turn the DishDrawer™ off  
again, re-enter diagnostics and restart the Continuous Cycle as above.  
Press POWER to Exit at any time.  
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The test sequence in fast cycle mode performs 33 tests. The number of any  
failed test is displayed on the touch switch panel LEDs. The test sequence  
continues even if a test fails. If there are multiple failures the LEDs will  
change during the test.  
0 = LED off, X = LED on.  
LED Display Test ID Test Description / Probable Cause  
HN F DRE  
0 0 0 0 0 X  
1
Uncontrolled load on PSU (PSU volts < 30 with PSU on and no devices  
turned on)  
0 0 0 0 X 0  
0 0 0 0 X X  
2
3
Unrealistic zero crossing time, mains frequency non standard  
Uncontrolled load on PSU (volts dropped when PSU turned off and no  
devices on)  
4
5
Unused  
0 0 0 X 0 X  
0 0 0 X X 0  
0 0 0 X X X  
0 0 X 0 0 0  
0 0 X 0 0 X  
0 0 X 0 X 0  
0 0 X 0 X X  
0 0 X X 0 0  
0 0 X X 0 X  
0 0 X X X 0  
0 0 X X X X  
0 X 0 0 0 0  
Detergent diverter not connected  
Fill valve not connected  
Water softener bypass valve not connected  
Rinse Aid pump not connected  
Water softener brine pump not connected  
Fan not connected  
Detergent diverter solenoid low resistance (shorted?)  
Fill valve solenoid low resistance (shorted?)  
Water softener bypass valve solenoid low resistance (shorted?)  
Rinse Aid pump solenoid low resistance (shorted?)  
Water softener brine pump solenoid low resistance (shorted?)  
Fan low resistance (shorted?)  
11  
16  
17  
0 X 0 0 0 X  
0 X 0 0 X 0  
0 X 0 0 X X  
0 X 0 X 0 0  
0 X 0 X 0 X  
0 X 0 X X 0  
0 X 0 X X X  
0 X X 0 0 0  
Lid motor 1 no current (not connected?) in down direction  
Lid motor 1 no current (not connected?) in up direction  
Lid motor 2 no current (not connected?) in down direction  
Lid motor 2 no current (not connected?) in up direction  
Lid motor 1 excessive current in down direction  
Lid motor 1 excessive current in up direction  
21  
24  
Lid motor 2 excessive current in down direction  
Lid motor 2 excessive current in up direction  
25-29 Unused  
0 X X X X 0  
0 X X X X X  
X 0 0 0 0 0  
X 0 0 0 0 X  
X 0 0 0 X 0  
X 0 0 0 X X  
X 0 0 X 0 0  
X 0 0 X 0 X  
X 0 0 X X 0  
X 0 0 X X X  
X 0 X 0 0 0  
X 0 X 0 0 X  
30  
Motor FET A phase high side shorted”  
Motor FET B phase high side shorted”  
Motor FET C phase high side shorted”  
Motor FET A phase low side shorted”  
Motor FET B phase low side shorted”  
Motor FET C phase low side shorted”  
Motor phases AB no current (not connected?)  
Motor phases BC no current (not connected?)  
Motor phases CA no current (not connected?)  
Motor phases AB current excessive (shorted winding?)  
Motor phases BC current excessive (shorted winding?)  
Motor phases CA current excessive (shorted winding?)  
35  
36  
38  
39  
41  
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3.8  
Temperature & Voltage Display Mode  
(Not available on integrated or flat door models)  
During a wash cycle, the current water temperature or the power supply rail  
voltage of the controller can be displayed on the LCD instead of the time  
remaining. To enter temperature/voltage display mode, start a wash cycle as  
normal. Initiate a keylock by pressing and holding the KEYLOCK button for 4  
seconds.  
Once in keylock mode, press and hold START/PAUSE for 8 seconds to enter  
temperature display mode. The display now alternates between a °C symbol  
and the water temperature. Pressing the START/PAUSE again changes the  
display to alternate between an °E symbol and the power supply rail voltage  
of the controller.  
To cancel temperature/voltage display mode, press the POWER button.  
3.9  
Show Off/Showroom Wash Mode  
This mode initiates a shop show off display and wash operation  
demonstration.  
With the DishDrawer™ powered up and turned on, the show off mode is  
entered by pressing and holding the ECO and POWER buttons  
simultaneously for 5 seconds. Ensure that ECO is pressed first.  
The DishDrawer™ is now in the show off mode and cycles through all of the  
LED & LCD segments.  
Pressing the POWER button now puts the DishDrawer™ into the showroom  
wash mode. Before running this, mode the tub should be filled with water  
until it is just touching the underside of the spray arm. The showroom wash is  
started by pressing the START/PAUSE button whereby the following cycle is  
run:-  
The lid is pulled down.  
The wash motor starts and runs for 4 minutes.  
The wash motor stops.  
The lid is lifted.  
The display counts down to zero throughout this cycle.  
The DishDrawer™ turns off at the end of this cycle.  
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The DishDrawer™ is still in the Showroom wash mode however, and it can be  
re-run by pressing POWER and then START/PAUSE. Once show  
off/showroom wash mode has been initiated, the mains power must be  
removed to exit out.  
3.10 Playing Tunes  
Once in showroom mode, pressing the START/PAUSE button for 3 seconds  
will start a tune playing. Pressing the START/PAUSE button again will toggle  
the tune between Bach and the Star Spangled Banner. This feature is not  
widely known about, may not be present in all models and may be removed in  
future products.  
4
DIAGNOSTICS QUICK REFERENCE CHARTS  
4.1  
Fault Display/Download Mode  
Press and hold KEYLOCK, then START/PAUSE for 5 seconds.  
All LEDs & LCD segments except Keylock are illuminated.  
Press START/PAUSE.  
This initiates pen data download via the lower tub-home light pipe. At the  
same time the current and then the previous fault code will be displayed in  
the LCD screen and on the secondary control panel LEDs. To read the  
fault code on the secondary display, refer to Section 4.7 on fault codes.  
Press KEYLOCK.  
This will clear current fault code. Note: If Keylock is pressed again, the  
previous fault code will be cleared. Pressing Keylock also toggles the wash  
icons on the LCD on and off.  
Press POWER to exit.  
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4.2  
Hardware Output Test Mode  
Press and hold KEYLOCK, then START/PAUSE for 5 seconds.  
All LEDs & LCD segments except Keylock are illuminated.  
Press POWER once.  
“HO” will show in the display (integrated and flat door models: Heavy,  
Normal, Fast, Delicate, Rinse LEDs showing).  
Press START/PAUSE.  
Scroll through the following outputs using Start/Pause. Turn the outputs on  
& off using Keylock button.  
Press POWER to exit.  
Note: Scrubbing brush symbol = output on, no scrubbing brush = output off  
(on integrated and flat door models a green LED above the start/pause  
button is used in place of the scrubbing brush).  
LCD  
Norm Fast Deli Rinse  
Hardware Output  
Display LED LED LED  
LED  
On  
Off  
On  
bL  
Er  
Off  
Off  
Off  
Off  
Off  
Off  
Off  
On  
On  
Backlight  
Element Relay  
Lid Motors (will run for 10  
seconds)  
Ld  
dd  
FU  
P1  
Off  
Off  
Off  
On  
On  
On  
Off  
Off  
On  
Off  
On  
Off  
Detergent Diverter Valve  
Fill Water Valve  
Motor Wash direction (2300-  
2850 rpm)  
Motor Drain direction (4200  
rpm)  
Rinse Aid Dispenser  
(dispenses current setting)  
P2  
rd  
Off  
On  
On  
On  
On  
Off  
Off  
Off  
dF  
LE  
C1  
On  
On  
On  
Off  
Off  
Off  
Off  
On  
On  
On  
Off  
On  
Drying fan  
Rinse Aid LED  
Water Softener Diverter  
Valve  
C2  
C3  
°C  
On  
On  
On  
On  
On  
On  
Off  
Off  
On  
Off  
On  
Off  
Water Softener Brine Pump  
Water Softener Brine Valve  
Displays current water  
temperature.  
Displays controller rail  
voltage  
On  
On  
On  
On  
°E  
Tub Home Sensor test:- Keylock symbol on = tub closed, off = tub open  
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4.3  
Fast Test Cycle  
Press and hold KEYLOCK, then START/PAUSE for 5 seconds.  
All LEDs & LCD segments except Keylock are illuminated.  
Press POWER twice.  
FC” will show in the display (integrated and flat door models: Heavy,  
Normal, Delicate, Rinse LEDs showing).  
Press START/PAUSE twice.  
The 8 minute fast test cycle will start.  
Press POWER to exit.  
4.4  
Continuous Cycle  
Press and hold KEYLOCK, then START/PAUSE for 5 seconds.  
All LEDs & LCD segments except Keylock are illuminated.  
Press POWER three times.  
CC” will show in the display (integrated and flat door models: Heavy,  
Normal, Rinse LEDs showing).  
Press START/PAUSE.  
The last cycle that had been selected prior to going into diagnostics mode  
will be run continuously.  
Press POWER to exit.  
4.5  
Temperature & Voltage Display Mode  
(Not available on integrated or flat door models.)  
Start a wash cycle running.  
Press & hold KEYLOCK for 4 seconds.  
Keylock will be activated.  
Press & hold START/PAUSE for 8 seconds.  
LCD will now alternate between °C symbol and the water temperature.  
Press START/PAUSE.  
LCD will now alternate between °E symbol and the controllers rail voltage.  
Press & hold KEYLOCK for 4 seconds.  
Keylock is deactivated.  
Press POWER to exit.  
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4.6  
Fault Codes  
There are 10 F (fatal) faults, which are displayed in the LCD along with the  
symbol of a spanner (not on integrated or flat door models). A fatal fault will  
usually require the assistance of a qualified service person.  
In addition, there are 4 U (user) faults.  
U1 indicates the machine had failed to prime within a certain length of time  
usually because the tap has not been turned on. For this reason, at the same  
time a U1 comes up in the display we also show the symbol of a tap.  
U2 indicates restricted lid travel. The customer can usually rectify a U1 or U2  
fault.  
A U3 fault is not displayed to the customer, but is recorded in the fault history  
and displayed in Smart Tool. It is logged if the motor senses prime in less  
than 20 seconds because water was left in the tub from a previous fill, or  
because it has filled too quickly. The product will drain and refill up to 5 times  
before logging the fault and continuing on with the cycle.  
On a double drawer model, a U4 fault indicates an F fault with the other tub  
that has disabled the power supply.  
In the Integrated and flat door models, an LCD is not available, and the  
presence of a fault is indicated by a red centre (start/pause) LED, with the  
fault number indicated by the red LEDs on the touch switch panel.  
Once a fault is repaired, it can be cleared by pressing the POWER button. If  
the fault is still present, then it will not clear.  
A fatal or user fault is accompanied by a continuous pulsating beep, which  
can be turned off by pressing either the POWER, START/PAUSE, or KEY  
LOCK button. This also stops the drain pump running for an F1 fault.  
The last two faults are logged into EE memory.  
If a tub is forced open, the product simply pauses as if someone had pressed  
the start/pause button.  
Except for U4, F1, F3, F8 and F9 faults, the other tub can still be used on a  
double drawer model.  
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Once the fault has been cleared for an F3, F8 or F9 fault, the power needs to  
be disconnected and reconnected to reset the isolation relay before the  
product can be used again.  
4.7  
Fault Code Description Chart  
The following chart is a quick reference guide on fault codes. To read a fault  
code off an integrated or flat door model, refer to the LED Display column on  
the chart below. The LED that has activated on the secondary display  
indicates which fault code has occurred.  
To make diagnostics easier, a test handle can be made for use on integrated  
or flat door models using a cut down handle and a DD605 PCB LCD. This will  
not be able to be used on DD603 products, nor can a DD603 test handle be  
used on DD605 products.  
Fault  
Code  
LED  
Display  
Fault  
Possible Causes  
F1  
Rinse LED. The bottom  
controller flood  
sensor  
Lid not closing.  
Overfilling.  
Foaming.  
Not draining.  
Lid seal damaged.  
Dispenser or water softener or  
their seals leaking.  
detector has  
been activated  
for more than  
six seconds.  
Damaged water inlet or drain  
hoses.  
Leaking heater plate or motor  
seals, or drain o-ring seals.  
Yoke jammed or broken.  
Inlet hose to inlet valve  
connection loose.  
Inlet valve body leak.  
Heater plate damage (chipped  
enamel).  
Dry F1 – PCB mains filter,  
harness or connectors,  
electronic controller.  
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Fault  
Code  
F2  
LED  
Display  
Delicate  
LED.  
Fault  
Possible Causes  
The controller  
has not  
Foreign object has jammed the  
rotor.  
sensed the  
motor rotating.  
The rotor has failed.  
Hall sensor connector or wiring  
fault at hall sensor or  
controller.  
The hall sensor has failed.  
Motor stator winding or  
connection open circuit.  
The electronic controller has  
failed.  
PCB mains filter has failed.  
The incoming water is greater  
than 85°C (185°F).  
The element has failed closed  
circuit.  
The temperature sensor on the  
heater plate has failed.  
The electronic controller has  
failed.  
The element is not connected.  
The element has failed open  
circuit.  
F3  
F4  
Delicate  
and Rinse temperature  
LEDs.  
The water  
has been  
sensed as  
greater than  
85°C (185°F).  
Fast LED. No  
temperature  
increase has  
been sensed  
for about 4  
hours while  
the element is  
on.  
The temperature sensor has  
failed.  
The electronic controller has  
failed.  
F5  
F6  
Fast and  
Rinse  
LEDs.  
Lid jammed up or down.  
The electronic controller has  
failed.  
Lid motor  
current too  
high during  
start.  
Lid actuator off yoke or slide.  
Yoke off lid.  
Faulty lid actuator.  
Fast and  
Delicate  
LEDs.  
Lid motors ran  
but did not  
reach stall  
current.  
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Fault  
Code  
F7  
LED  
Display  
Fast,  
Delicate  
and Rinse detected.  
LEDs.  
Fault  
Possible Causes  
No lid motor  
current  
Lid actuator not connected.  
PCB mains filter and controller  
connectors.  
Faulty PCB mains filter.  
Faulty electronic controller.  
Test for earth leakage.  
Connectors and earth  
connections fitted correctly.  
Damaged harnesses.  
Water damaged harness,  
connector, or controller.  
Caused by F3, F8 or F9 faults.  
Check coils and motor  
windings.  
F8  
F9  
Normal  
LED.  
Earth leakage  
fault.  
Normal and  
Rinse LED.  
Power supply /  
controller fault.  
Check lid actuators.  
Check controller for signs of  
damage.  
Check PCB mains filter and  
controller connectors.  
Check heater plate harness  
and connectors.  
Replace electronic controller.  
Replace PCB mains filter.  
Chassis harness or  
FF  
Normal,  
Fast,  
Top tub not  
responding.  
connectors.  
Faulty top controller.  
Faulty PCB mains filter.  
Delicate  
and Rinse  
LEDs.  
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Fault  
Code  
LED  
Display  
Fault  
Possible Causes  
U1  
Heavy and Machine has  
Rinse LED. failed to prime  
with water  
The water supply is not turned  
on.  
Low water pressure.  
Blocked water softener if fitted.  
The inlet valve has failed.  
The machine is siphoning.  
The spray arm is not in place,  
or the flapper is jammed.  
Excessive foaming - using  
tablets (not EU/GB), liquid  
detergent or spilled rinse aid.  
The motor has failed.  
Rotor not fitted correctly or  
faulty.  
within approx.  
3 minutes.  
The electronic controller has  
failed.  
U2  
Dishes or cups / glasses  
prevent the lid from closing.  
Lid, lid actuators or yokes  
jammed.  
Heavy and Restricted lid  
Dry LEDs. travel, the lid  
has reached  
stall current  
too soon.  
U3  
U4  
Not draining completely from  
previous fill.  
Excess water pressure.  
Faulty fill valve.  
Not  
Water filled too  
displayed to quickly, or tub  
customer. failed to drain.  
Diagnose and repair the fault  
Heavy and Advisory only  
Fast LEDs. – the other tub  
has a fault and  
in the other tub.  
has disabled  
the power  
supply.  
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4.8  
Fault Code Problem Solving Charts  
The following charts can be used as a guide to help locate faults in a  
DishDrawer.  
F1 Flood Detected  
The bottom controller flood detector circuit has been activated.  
The product will abort the wash program, log the fault, start the drain pump,  
and report to the user.  
Neither tub can be used until the fault is cleared.  
PRIMARY ACTION  
- Determine if a flood actually occurred? Is there water in the base of the  
machine?  
SECONDARY ACTION  
If water in base.  
- Determine where the water has come from, check the following:  
Check for the lid not closing (lid actuators), overfilling (spray arm correctly  
fitted and flapper shutting off, rotor correctly fitted) or foaming (rinse aid spill  
or wrong detergent (liquid or tablets) used, not draining (rotor or motor  
housing damaged, drain hose blocked / crushed), lid seal damaged,  
dispenser or water softener seals leaking, damaged fill or drain hoses, tub  
leaking around heater plate or motor seals, drain hose o-ring at connection  
to motor, yoke pegs broken or yoke jammed at front or rear, oversize  
dishes, inlet hose connection to water inlet valve leak (washer not fitted,  
connection not tight) water inlet valve not shutting off.  
- Mop up water in the chassis base before attempting to restart.  
TERTIARY ACTION  
If no water in base  
- Check the chassis harness connection to the PCB mains filter.  
- Check for corrosion/dirt around the flood sensor on the side of the mains  
filter housing.  
- Replace the PCB mains filter.  
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F2 Motor Not Rotating  
The controller has not sensed the motor rotating.  
The product will pause the wash program, log the fault, and report to the  
user.  
PRIMARY ACTION  
- Check the rotor is free to turn.  
- Check that power is available at controller (e.g. do the lid actuators run in  
diagnostics).  
SECONDARY ACTION  
- Check whether the rotor is not moving or is vibrating in diagnostics.  
- If vibrating, check the hall sensor is properly fitted, check that the motor  
stator connections are OK.  
- If not moving, check the connections at the controller and the motor.  
- Check the resistance of the motor windings.  
TERTIARY ACTION  
- Check if a replacement hall sensor solves problem.  
- Check if a replacement controller solves problem.  
- Check if a replacement PCB mains filter solves problem.  
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F3 Water Temperature Measurement Exceeds 85 Degrees Celsius  
The water temperature is sensed at greater than 85 degrees C / 185 degrees  
F.  
The product will abort the wash program, log the fault, report to the user, and  
disable the power supply.  
Note: The isolation relay will be disabled. Power to the product will need to  
be disconnected then reconnected for it to become fully functional again.  
PRIMARY ACTION  
- Check the incoming water temperature is not too hot.  
- Check the temperature reading in diagnostics, and if 199, ensure the  
power connector is properly fitted to the controller and the connector on  
the heater plate is correctly fitted.  
SECONDARY ACTION  
- Check the resistance between pins 1 and 2 of the controller power  
connector is about 10K at approx. 25oC / 77oF ambient room temperature.  
- If not (provided the harnesses are ok and the connectors are correctly  
fitted), replace the heater plate (bad temperature sensor).  
TERTIARY ACTION  
- Check that the temperature reading in diagnostics is the same as the  
temperature of the water in the tub. If the tub water temperature is  
obviously below 85oC / 185oF, replace the controller.  
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F4 Element Has Been On Too Long (About 4 Hours) And Water Has Not  
Reached Required Temperature  
The element has been on too long (about 3 hours) and the water has not  
reached the required temperature.  
The product will abort the wash program, log the fault and report to the user.  
PRIMARY ACTION  
- Check that the controller power connector and the heater plate connectors  
are properly fitted and the harness is not damaged.  
- Check the resistance between pins 1 and 3 of heater plate PCB, and if  
open circuit, replace the heater plate.  
SECONDARY ACTION  
- Check the resistance between pins 1 and 2 of the controller power  
connector is about 10K at approx. 25oC / 77oC ambient room temperature.  
- If not (provided the harnesses are OK and the connectors are correctly  
fitted), replace the heater plate (bad temperature sensor).  
TERTIARY ACTION  
- Replace the controller.  
F5 Lid Motor Current(s) Too High During Start  
Lid actuator is jammed up or down.  
The product will abort the wash program, log the fault and report to the user.  
PRIMARY ACTION  
- Check for dishes, cutlery or cups and glasses preventing lid from closing.  
- Check the lid actuators in diagnostics.  
- Check the yokes are moving freely and are not jammed at the front or the  
rear (physical inspection).  
SECONDARY ACTION  
- Replace the lid actuators.  
TERTIARY ACTION  
- Replace the controller.  
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F6 Lid Motors Ran But Did Not Reach Stall Current  
Lid actuators ran but did not reach stall current.  
The product will pause the wash program, log the fault and report to the user.  
PRIMARY ACTION  
- Check that the lid actuators are properly connected to the yokes and the  
slide mounting bracket.  
- Check that the yokes are clipped into the lid.  
- Run the lid actuators in diagnostics.  
SECONDARY ACTION  
- Replace the lid actuators.  
- Replace the controller.  
F7 No Lid Motor Current Detected  
No lid actuator current detected.  
The product will abort the wash program, log the fault and report to the user.  
PRIMARY ACTION  
- Check that the lid actuator connectors are properly fitted.  
SECONDARY ACTION  
- Check that the controller is receiving power (use diagnostics to run the wash  
or drain pump).  
- If not, check the harnesses.  
TERTIARY ACTION  
- Replace the PCB mains filter.  
- Replace the controller.  
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F8 Earth Leakage Fault  
Earth leakage fault.  
The product will disable the power supply, log the fault, lock out the user and  
report to the user.  
Note: The isolation relay will be disabled. Power to the product will need to be  
disconnected then reconnected for it to become fully functional again.  
PRIMARY ACTION  
- Test for earth leakage (using a Megger).  
SECONDARY ACTION  
- Check that the connectors are properly fitted and earthing connectors are  
fitted.  
TERTIARY ACTION  
- Check for physically damaged harnesses.  
- Check for water damage to the harnesses, connectors, PCB mains filter  
and controllers.  
- Check the heater plate tracks for water, damage.  
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F9 Power Supply/Controller Fault  
Power supply/controller fault.  
The product will disable power supply, log the fault, lock out the user and report  
to the user.  
Note: The isolation relay will be disabled. Power to the product will need to be  
disconnected then reconnected for it to become fully functional again.  
PRIMARY ACTION  
- Check the previous fault, and if it was F3, F8 or F9, then this F9 is a  
consequential fault - fix the previous fault.  
- If the fault occurred immediately after power on, check the solenoid coils and  
motor stator windings for damage, overheating and correct resistances.  
- Check the lid actuators are properly connected.  
- Check the controller for damage, signs of overheating or fluid leaking.  
IMPORTANT  
Check the solenoid coils and motor winding resistances are OK before replacing  
a controller.  
SECONDARY ACTION  
- If the fault is on the top controller and the bottom controller works, check the  
top controller chassis and power harnesses are properly connected, are not  
damaged and no wires are loose (controller may not be receiving power from  
bottom tub).  
- If OK, replace the top controller.  
- If the fault is on the top controller and the bottom controller does not work,  
check the chassis connector on the bottom controller is properly fitted and the  
harness is not damaged. Check the connectors on PCB mains filter is  
properly fitted.  
- Check the heater plate harnesses are properly connected/undamaged.  
- If still not OK, replace the bottom controller.  
TERTIARY ACTION  
- If a single product, and harnesses and resistances are OK, replace the  
controller. If replacing the controller does not fix the fault, replace the PCB  
mains filter.  
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FF Top Tub Not Responding  
Top tub not responding.  
PRIMARY ACTION  
- Check the top controller works when swapped with the bottom controller  
and vice versa. Replace the top controller if it does not work in the bottom  
tub.  
SECONDARY ACTION  
- Check the chassis harnesses and connectors if the top controller works in  
the bottom tub and the bottom controller does not work in the top tub.  
TERTIARY ACTION  
- Replace PCB mains filter.  
U1 (“No Tap” Symbol)  
Wash Pump Has Not Primed.  
The fill valve has been open for more than 180 seconds and the wash pump  
has not primed.  
The product will pause the wash program, log the fault, report to the user, and  
restart when the start/pause button is pressed.  
PRIMARY ACTION  
No water in the tub:  
- Check that the tap is turned on.  
- Check for kinked inlet hose, blocked inlet hose filter.  
- Check harness connections to water inlet valve.  
- Check for a blocked pipe interrupter in the water softener (if fitted).  
Not enough water in the tub:  
- Is the water pressure sufficient (above 30kPa or 4.3psi)?  
Too much water in the tub:  
- Is the spray arm correctly fitted? Is the spray arm flapper shutting off?  
- Is the rotor correctly fitted?  
- Check for foaming - spilled rinse aid or wrong detergent (liquid detergent, or  
tablets).  
SECONDARY ACTION  
- Check the rotor wash (top) impellor is not loose on the shaft.  
- Check the fill valve operation (using diagnostics).  
- Check the motor operation (using diagnostics).  
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U2 Restricted Lid Travel  
Restricted lid travel. The lid has reached its stall current too soon.  
The product will retry the lid 3 times, log the fault if the retries fail, then report  
to the user.  
PRIMARY ACTION  
- Check dishes, cutlery or cups are not projecting above the top of the tub.  
SECONDARY ACTION  
- Check the lid actuator connections and operation in diagnostics.  
- Check the yokes for jamming at the front and rear.  
U3 Filled Too Quickly Or Failed To Drain  
This fault is not displayed to the customer, but it is recorded in the fault history  
and can be seen by Smart Tool.  
If the motor senses prime too soon (in less than 20 seconds), it will drain and  
refill up to 5 times, then continue the wash program regardless, and log the  
fault.  
PRIMARY ACTION  
Not draining completely from previous fill, test in diagnostics.  
Check for:  
- A blocked drain or kinked drain hoses.  
- Blocked drain sump inlet / outlet pipes.  
- Blocked drain filter.  
- Faulty rotor.  
- Faulty connection to the motor.  
- Faulty hall sensor.  
SECONDARY ACTION  
Filling too quickly. Check for:  
- Excess water pressure.  
- Faulty water inlet valve.  
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U4 This Fault is Advisory Only. The Other Tub has a Fault and has  
Disabled the Power Supply.  
This fault is advisory only. The other tub has disabled the power supply.  
PRIMARY ACTION  
- Diagnose and repair the fault displayed on the other tub.  
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4.8.1  
Poor Dry Performance  
Poor Dry Performance  
Question  
1 Is the customer  
Yes  
No  
Advise customer  
Go to Question 2.  
complaining of plastic that due to plastics  
items not drying?  
having a low  
thermal mass these  
items give inherently  
bad drying  
performance.  
2 Is the customer using Go to Question 3.  
rinse aid?  
Advise customer that  
the use of rinse aid will  
improve dry  
performance.  
3 Is the customer using Advise customer  
Go to Question 4.  
Fast or Eco cycles.  
that due to lower  
final rinse  
temperatures dry  
performance is  
comprised when  
using Fast and Eco  
cycles (there is less  
residual heat for  
drying at the end of  
cycle).  
4 Is the rinse aid setting Go to Question 5.  
high enough for the  
Turn the rinse aid up to  
a higher setting.  
water hardness in the  
area?  
5 Using diagnostics, test  
the dispenser. Is it  
Replace dispenser.  
dispensing the correct  
amount of rinse aid?  
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4.8.2  
Poor Wash Performance  
Customers Complaint Food Particles left on Dishes  
Cause of  
Spray arm has stopped rotating.  
problem (1)  
How to resolve the a) One of the dishes / cutlery / utensils has fallen  
problem.  
through the basket and jammed the spray arm.  
Remove the obstruction.  
b) The filter plate, drain filter, or drain filter access  
panel is not installed correctly and is causing the  
spray arm to jam.  
Cause of  
problem (2).  
The product is being over loaded or incorrectly loaded  
with dishes.  
How to resolve the Advise customer of correct loading.  
problem.  
Cause of  
problem (3).  
Customer is selecting the wrong wash cycle for the soil  
level on the dishes.  
How to resolve the Advise customer about reduced water temperatures  
problem.  
(up to 20ºC / 70°F lower) and wash times when using  
Fast and Eco cycles.  
Customers Complaint Coffee/Tea Stains left in Cups  
Cause of  
Not enough detergent being used. To remove these  
problem (1).  
stains requires a stronger concentration of detergent in  
the water.  
More detergent is also required in hard water areas as  
minerals in the hard water reduce the effectiveness of  
the detergent.  
How to resolve the Fill the main-wash detergent cup to the top & for best  
problem.  
results also fill the pre-wash detergent cup. Run on  
normal or heavy cycles not Eco.  
Cause of  
problem (2).  
The product is being over loaded, which is preventing  
water reaching the cups on the upper cup racks.  
How to resolve the Advise customer of correct loading.  
problem.  
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Customers Complaint Dishes have blotchy marks on them that look  
like water stain marks not food  
Cause of  
problem.  
Not enough rinse aid being used. The water is not soft  
enough during the final rinse and therefore hard water  
droplets containing impurities are drying on the dishes  
instead of running off during the dry cycle.  
How to resolve the Confirm that the customer is using rinse aid.  
problem.  
The rinse aid may need to be turned up to a higher  
setting (4 or 5 lights) and for optimum dry performance  
run the DishDrawer™ on normal or heavy cycles, not  
Eco.  
Check that the rinse aid dispenser is dispensing  
correctly in diagnostics.  
Customers Complaint Glasses & Cutlery have a Cloudy White film on  
them and/or Plates have a White Chalky film on them  
Cause of  
problem.  
Hard water and not enough detergent being used.  
Minerals from the water are building up on the dishes  
or the water softener is not set to the correct water  
hardness level, or is faulty.  
How to resolve the Once this film forms on the dishes it cannot be  
problem.  
removed by normal running in the dishwasher. The  
dishes will need to be cleaned by soaking them in an  
acidic solution (such as white vinegar and water).  
Where a water softener is not fitted;  
To prevent the build up re-occurring the customer will  
need to fill both the main-wash & pre-wash detergent  
cups to the top with a power detergent and we would  
recommend running on normal cycles.  
In problem areas with very hard water, the customer  
may need to use a detergent additive designed for use  
in hard water areas, or fit a water softener to the  
incoming water supply.  
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Where a water softener is fitted;  
Set the water softener for the correct local water supply  
hardness. Check that the water softener is functioning  
correctly in diagnostics.  
C1 Water Softener Diverter Valve  
In hardware output diagnostics test mode:  
FU – turn the fill water valve on.  
P2 – turn the motor drain on.  
C1 – water softener diverter valve.  
On – water bypasses the resin tank.  
Off – water flows through the resin tank.  
C2 Water Softener Brine Pump  
Turn the Brine Pump on in diagnostics mode. Observe  
a small quantity of water (approx. 30 ml per min.)  
flowing out the bottom of the dispenser. (Drop the  
dispenser door down to observe this.) Observe a  
change in the water level (approximately 120ml per 4  
min.) in the salt reservoir. The reservoir should pump  
dry of water in this time.  
Note:- Fill the salt reservoir with salt (and then water if  
not already) before performing this test.  
Pipe Interrupter (Air Break) Function  
A critical component in the performance of the water  
softener is the pipe Interrupter (PI). There is a certain  
amount of spray leakage from the PI, which is used to  
provide water to the salt reservoir.  
If the spray is inadequate, there will be insufficient  
water in the salt reservoir to make brine.  
If there is too much spray, then the excess bypasses  
the water softener and defeats the softening process  
by pouring untreated water straight into the tub.  
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To check that the amount spray leakage is  
appropriate:-  
Fill the salt reservoir with water.  
In diagnostics mode, turn on the fill water valve and  
the motor drain. Water will flow out of the dispenser  
into the tub, as well as out of the water softener  
overflow into the tub.  
Observe the flow from the water softener overflow  
(beside the Dispenser). There should be a trickle  
(25-100 ml per minute). With experience you can  
guess what is appropriate. If the trickle is outside  
these rates, replace the softener, as the PI is faulty.  
To check that there is water in the salt reservoir,  
remove the drawer front and observe the level of water  
in the tank. (A quick way to check that there is water in  
the salt reservoir is to remove the salt bung and test  
the water level by placing your finger down through the  
opening.)  
Detergent or Rinse Aid in the Water Softener  
If detergent or rinse aid is poured in to the salt  
reservoir it will destroy the water softener. This could  
also happen if the salt bung is left off or falls out.  
Evidence of this could be white streaks through the  
resin.  
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5
WIRING DIAGRAM  
5.1  
Power Distribution Concept  
DD605 Power Distribution concept  
LCD Module  
Backlight  
Buttons  
LCD  
interface  
device  
Power  
Heater  
Zero crossing  
detector  
Heater  
Plate  
Touch switches  
Relay  
Fuse  
Gate  
supply  
N
Mains  
100  
Isolation  
RFI  
filter  
Wash Cycle LEDs  
Salt detector  
relay  
main PSU  
P
I sens  
Tub Home  
sensor  
Current  
Detector  
0V  
Relay  
Rectifier  
control  
24V  
Microcomputer  
5 v  
reg  
Auxillary PSU  
0V  
0V  
Beeper  
sensors  
24V loads  
24V  
0V  
Flood  
sensor  
(temperature,current,voltage)  
(Touch switches,  
relays, backlights)  
Output Drivers  
Wash/drain motor bridge  
Lower (or single)  
Controller  
Comms  
Isolation  
2
Chassis PCB  
24V supply  
Comms  
Connections to upper  
controller  
6
Fill valve +  
Lid Motors  
dispenser, water softener,  
drying fan, LEDs  
Wash/drain motor  
38  
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599464  
5.2  
Wiring Diagram  
39  
Download from Www.Somanuals.com. All Manuals Search And Download.  
 

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