Fisher & Paykel DishDrawer DS605 Diagnostic Service Manual page 21

Fault LED
Code Display
U1 Heavy and
Rinse LED.
U2
Heavy and
Dry LEDs.
U3
Not
displayed to
customer.
U4
Heavy and
Fast LEDs.
Fault
Machine has • The water supply is not turned
failed to prime
with water
• Low water pressure.
within approx.
• Blocked water softener if fitted.
3 minutes.
• The inlet valve has failed.
• The machine is siphoning.
• The spray arm is not in place,
• Excessive foaming - using
• The motor has failed.
• Rotor not fitted correctly or
• The electronic controller has
• Dishes or cups / glasses
Restricted lid
travel, the lid
• Lid, lid actuators or yokes
has reached
stall current
too soon.
• Not draining completely from
Water filled too
quickly, or tub
• Excess water pressure.
failed to drain.
• Faulty fill valve.
• Diagnose and repair the fault
Advisory only
– the other tub
has a fault and
has disabled
the power
supply.
21
Possible Causes
on.
or the flapper is jammed.
tablets (not EU/GB), liquid
detergent or spilled rinse aid.
faulty.
failed.
prevent the lid from closing.
jammed.
previous fill.
in the other tub.
599464