Set Appliance State:

Set Multimeter to Resistance Set meter to measure resistance
Isolate Mains Power to appliance as per TOPs P4
Remove the electrical plugs to the blue and grey solenoids

Measurement:

Test 1: Measure the resistance across the blue solenoid.
Test 2: Measure the resistance across the grey solenoid.
The resistance measured should be approximately 130 ohms for both tests.