Set Appliance State:

Set Multimeter to Resistance Set meter to measure resistance
Isolate Mains Power to appliance as per TOPs P4
Selector switch to HOT WATER position
Remove connector plug from X2 on PCB

Measurement:

Measure resistance across connection 01 (black wire) and connection 02 (white wire) on the disconnected plug.
Note: Measurement taken at disconnected plug not PCB.
Replace connector plug after test.