Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Set Multimeter to Resistance 
Remove the pump cover
Disconnect the electrical connections to the pump
Disconnect the electrical connections to the pump
Measurement:
Measure the resistance across the brown (live) and blue (neutral) connections of the pump.
Expected resistance approximately 160 ohms.
Expected resistance approximately 160 ohms.
Isolate as per TOPs P4
and refit as necessary