Fisher & Paykel DishDrawer DD24D Series Service Manual page 34

599735A
Fault LED
Code Display
F6 Fast and
Delicate
LEDs.
F7 Fast,
Delicate
and Rinse
LEDs.
F8 Normal
LED.
F9 Normal and
Rinse
LEDs.
U1 Heavy and
Rinse LED.
U3 Not
displayed to
customer.
U4 Heavy and
Fast LEDs.
Fault
Lid motors ran but did
not reach stall current.
No lid motor current
detected.
Earth leakage fault.
Power supply /
controller fault
Machine has failed to
prime with water
within approximately 3
minutes.
Water filled too
quickly, or tub failed to
drain.
Advisory only – the
other tub has a fault
and has disabled the
power supply.
Possible Causes
• Lid actuator off yoke or slide.
• Yoke off lid.
• Faulty lid actuator.
• 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.
• 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.
• 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.
• Not draining completely from previous fill.
• Excess water pressure.
• Faulty fill valve.
• Diagnose and repair the fault in the other tub.
34