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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.