Set Appliance State:
Isolate Mains Power to appliance as per TOPs P4
Gain access to PCB (use insulation mat as necessary)
Gain access to PCB (use insulation mat as necessary)
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Measure the Water Pump voltage across connections Pump L (Brown) and Pump N (Blue) on connector CN2B on the Main Control PCB. This should be approximately 240 V AC.

Isolate as per TOPs P4
and refit as necessary