Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Set Multimeter to AC Volts 
CH Demand
CH temperature control to max
Gain access to pumps electrical connections
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Measure for mains voltage across the brown and blue terminals of the pump.
Is mains voltage present?
Is mains voltage present?
Isolate as per TOPs P4
and refit as necessary