599735A
34
Fault
Code
LED
Display
Fault Possible Causes
F6 Fast and
Delicate
LEDs.
Lid motors ran but did
not reach stall current.
• Lid actuator off yoke or slide.
• Yoke off lid.
• Faulty lid actuator.
F7 Fast,
Delicate
and Rinse
LEDs.
No lid motor current
detected.
• Lid actuator not connected.
• PCB mains filter and controller connectors.
• Faulty PCB mains filter.
• Faulty electronic controller.
F8 Normal
LED.
Earth leakage fault.
• Test for earth leakage.
• Connectors and earth connections fitted
correctly.
• Damaged harnesses.
• Water damaged harness, connector, or
controller.
F9 Normal and
Rinse
LEDs.
Power supply /
controller fault
• Caused by F3, F8 or F9 faults.
• Check coils and motor windings.
• 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.
U1 Heavy and
Rinse LED.
Machine has failed to
prime with water
within approximately 3
minutes.
• 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.
• The electronic controller has failed.
U3 Not
displayed to
customer.
Water filled too
quickly, or tub failed to
drain.
• Not draining completely from previous fill.
• Excess water pressure.
• Faulty fill valve.
U4 Heavy and
Fast LEDs.
Advisory only – the
other tub has a fault
and has disabled the
power supply.
• Diagnose and repair the fault in the other tub.
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