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4.5
Fault Codes
Fault Code
LED Display
Fault
Possible Causes
F1
----#
The flood switch has
been activated.
•
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.
F2
---#-
The motor is not
rotating.
•
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.
F3
---##
The water temperature is
greater than 80°C.
•
The element has failed on.
•
The temperature sensor has failed.
•
The electronics ADC has failed.
•
The incoming water temperature
is greater than 80°C.
F4
--#--
No temperature increase
has been recorded when
the element is on.
•
The element is not connected.
•
The element has gone open
circuit.
•
Temperature sensor or electronics
ADC has failed.
F6
--##-
Communications Baud
rate error.
•
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.
F7
--###
Communications Time-
Out error.
•
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.
F8
-#---
RAM fault.
•
The electronic controller has
RAM fault.