Set Appliance State:

Isolate Mains Power to appliance as per TOPs P4
Set Multimeter to AC Volts Set meter to measure AC Volts
CH Demand
Gain access to PCB
WARNING! - Mains voltage is expected during test follow
TOPs P4 live testing procedure
Mains Power On

Measurement:

Measure the AC voltage between pin 46 (brown)
and pin 47 (blue) on connector CN7.
Expect mains voltage.
Note:
Place the probes in the small holes on the PCB.