Set Appliance State:
Set Multimeter to Resistance 
On/Off Switch ON
Isolate Mains Power to appliance as per TOPs P4
Measurement:
Disconnect connector 5 from the PCB.
Test 1:
Measure resistance between connections 33 (white) and 34 (black).
Test 2:
Measure resistance between connections 35 (red/black) and 34 (black).
Short circuit expected on both tests.
Test 1:
Measure resistance between connections 33 (white) and 34 (black).
Test 2:
Measure resistance between connections 35 (red/black) and 34 (black).
Short circuit expected on both tests.
Isolate as per TOPs P4
and refit as necessary