Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Remove connector CN12 from the PCB
Measurement:
Measure the resistance between pin 3 (brown) and
pin 5 (black) on connector CN12.
Expected resistance short circuit.
pin 5 (black) on connector CN12.
Expected resistance short circuit.

Isolate as per TOPs P4
and refit as necessary