Set Appliance State:

Isolate Mains Power to appliance as per TOPs P4
Set Multimeter to AC Volts Set meter to measure AC Volts
Run the hot tap at 3 l/min
Remove the cover from the pump assembly
WARNING! - Mains voltage is expected during test follow
TOPs P4 live testing procedure
Mains Power On

Measurement:

Measure the AC voltage between the live and neutral connections.
Expect mains voltage.
Is the voltage measured as expected?
Note:
The pump and its connections may differ in appearance if the pump has been replaced but the test points remain the same.