Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Set Multimeter to Resistance 
Remove the cover from the pump and disconnect the
lead from the pump housing
lead from the pump housing
Measurement:
Measure the resistance between:
Neutral (Blue) and the Red wire at pin 2 (Expect 150-160 ohms)
Live (Brown) and the White wire at pin 6 (Expect 50-60 ohms)
Neutral (Blue) and the Red wire at pin 2 (Expect 150-160 ohms)
Live (Brown) and the White wire at pin 6 (Expect 50-60 ohms)
Isolate as per TOPs P4
and refit as necessary