Set Appliance State:

Isolate Mains Power to appliance as per TOPs P4
Set Multimeter to Resistance Set meter to measure resistance
Disconnect fan connector from fan

Measurement:

Measure for continuity (zero resistance) on each wire
of the fan harness.
Blue to Blue (pin 3 on HV2).
Brown to Brown (pin 4 on HV2).
White to White (pin 5 on HV2).
Orange to Orange (pin 6 on HV2).
Yellow to Yellow (pin 7 on HV2).
Inspect the harness for
good overall condition.