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7 FAULT DIAGNOSTICS
7.1 User Alert Codes
If the dishwasher faults, it will show a fault code to the customer on the display panel or in the LCD
depending on the model.
FAULT CODE
POSSIBLE CAUSE
WHAT TO CHECK
A10 - WATER SUPPLY
Water supply turned off
1.Check tap is turned on.
2.Check inlet valve filter not blocked.
3.Check flow meter harness connected.
4.Check water pressure isn’t too low.
5.Check fill hose is not kinked.
6.Check inlet valve coil resistance.
A11 - WATER SUPPLY
No signal from flow meter for first 10
seconds of fill
A12 - WATER SUPPLY
No signal from flow meter after re-fill
command
A20 - WATER LEVEL
The dishwasher did not drain
sufficiently
1.Check the drain connection - check drain
spigot is drilled out.
2.Check the drain hose is not blocked/kinked.
3.Check the drain pump is operating.
4.Replace the controller.
No signal from turbidity sensor in the
first 0.9L fill.
1.Check turbidity sensor - drain tub and refill.
2.Check turbidity sensor harness.
3.Replace turbidity sensor.
F30 - OVER FLOW ALARM
Water in base pan
1.Check for leaking hose or sump.
2.Check for jammed inlet valve.
Flow meter has counted 9 litres of
water
1.Check fill level is correct.
2.Check flow meter harness.
3.Replace the controller.
F40 - FLOWMETER
Flow meter failed consistency checks
1.Check flow meter harness connected
correctly.
2.Check water is turned on at tap.
3.Check the inlet valve resistance.
F41 - FLOWMETER
After turning off the fill valve, the
flow meter has sensed water flowing
through the flow meter.
1.Check inlet valve is shutting off correctly.
2.Check the flow meter and harness
3. Replace the controller
F42 - FLOWMETER
A flow rate higher than 4 litres/min
was detected.
1.Check incoming water pressure is not too
high.
2.Check inlet valve, replace if faulty.
3.Replace the flow meter.
F50 - COMMUNICATION
ERROR
Communication error.
1.Check harness connectors between the
controller and user interface.
F51 - COMMUNICATION
ERROR
Communication error with BLDC
motor.
1.Check motor harness connections.
2.Check motor operation in diagnostic test
mode.
3.Replace the controller.
F52 - COMMUNICATION
ERROR
Communication error with user
interface.
1.Communication between main board and
interface failed, check harness.
2.Replace the user interface board.
A60 - HEATING
TEMPERATURE INCREASE
During the heating stage, no
temperature increase has been
detected within 3 minutes.
Note: this alarm is not shown in the
display to the user, is only seen in
service mode.
1.Check thermal fuse on element.
2.Check heater element resistance.
3.Check the harness connections.
4.Replace the controller.
