Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Remove connector X2 from the PCB
Measurement:
Measure the resistance between pin 4 (orange) and pin 12 (black) at connector X2.
Is the resistance measured as expected?
Note: Each pin on the PCB connector is numbered.
Is the resistance measured as expected?
Note: Each pin on the PCB connector is numbered.

Isolate as per TOPs P4
and refit as necessary