Fault Codes - Fisher & Paykel DD601v2 Service Manual

4.5

Fault Codes

Fault Code LED Display
F1 ----#
F2 ---#-
F3 ---##
F4 --#--
F6 --##-
F7 --###
F8 -#---
Fault
The flood switch has
been activated.
The motor is not
rotating.
The water temperature is
greater than 80°C.
No temperature increase
has been recorded when
the element is on.
Communications Baud
rate error.
Communications Time-
Out error.
RAM fault.
- 20 -
Possible Causes
• A leak has occurred in the base of
the dishwasher.
• The fill valve has failed open.
• The flood switch is faulty.
• Excessive water has been added
to a wash sub cycle, indicating
leaking seal or siphoning.
• Foreign matter has jammed the
motor.
• The motor drive electronics or
power supply have failed.
• The rotor is faulty or missing.
• The hall sensor is faulty or
missing.
• The element has failed on.
• The temperature sensor has failed.
• The electronics ADC has failed.
• The incoming water temperature
is greater than 80°C.
• The element is not connected.
• The element has gone open
circuit.
• Temperature sensor or electronics
ADC has failed.
• The motor control micro has
communications set at an
incorrect baud rate.
• Communication echo bytes are
consistently incorrect (perhaps
due to noise).
• External master device has
incorrect baud rate.
• The motor control micro has
crashed and is not responding to
communications requests.
• The hardware communications
link from console to motor micro
has broken.
• An external device is holding the
communications line low.
• The electronic controller has
RAM fault.