Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Set Multimeter to AC Volts 
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
With the connector X11 still attached to the PCB, measure the voltage between the brown at connector X11 and the neutral at the incoming mains terminal strip.
Expected voltage is 240v.
Expected voltage is 240v.
Isolate as per TOPs P4
and refit as necessary