Set Appliance State:

Set Multimeter to Resistance Set meter to measure resistance
Isolate Mains Power to appliance as per TOPs P4
Unplug connector CN1

Measurement:

Measure resistance across Solenoid Coil (Purple & Orange wires).
This should be approximately 65 Ohms.
Replace connector CN1.
Note:
Test should be carried out at disconnected connector.