Set Appliance State:

Isolate Mains Power to appliance as per TOPs P4
Set Multimeter to Resistance Set meter to measure resistance
Disconnect connector X13 from the PCB

Measurement:

Measure the resistance between pin 6 and pin 8 at the disconnected plug.
Resistance should be short circuit (zero resistance).
Note:
Colour of wires may change but test points remain the same.