Set Appliance State:

Isolate Mains Power to appliance as per TOPs P4
Set Multimeter to Resistance Set meter to measure resistance
Remove connector CN31 from the PCB

Measurement:

Test 1.
Measure the resistance between pin 2 (white) and
pin 3 (red) on connector CN31.
Test 2.
Measure the resistance between pin 4 (black) and
pin 5 (brown) on connector CN31.
Expected resistance approx. 92 ohms on each test.