Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Set Multimeter to AC Volts 
Remove bottom facia panel
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Measure the voltage across the live (L) and neutral (N) terminals on connector X1 situated at the bottom L/H side of the PCB.
Isolate as per TOPs P4
and refit as necessary