Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Set Multimeter to AC Volts 
Disconnect the DC connector to the pump
Remove the cover from the pump
Run hot water tap at flow rate of 3 l/min
Remove the cover from the pump
Run hot water tap at flow rate of 3 l/min
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Measure the voltage between the live (brown) and neutral (blue).
Expected voltage 240v.
Expected voltage 240v.
Isolate as per TOPs P4
and refit as necessary