Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Set Multimeter to Resistance 
Disconnect fan connector from fan
Measurement:
Measure for continuity (zero resistance) on each wire of the fan harness.
Purple to Purple (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 harness and connectors for good overall condition.
Is the harness satisfactory?
Purple to Purple (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 harness and connectors for good overall condition.
Is the harness satisfactory?
Isolate as per TOPs P4
and refit as necessary