Set Appliance State:

Isolate Mains Power to appliance as per TOPs P4
Set Multimeter to AC Volts Set meter to measure AC Volts
Gain access to PCB (use Insulation Mat as required)
WARNING! - Mains voltage is expected during test follow
TOPs P4 live testing procedure
Mains Power On

Measurement:

Measure the AC voltage between pin 2 (black)
and pin 3 (black) on connector X2 during the pump purge.
Expect mains voltage to come and go
during the pump purge.
Note.
Place the probes in the small holes on the PCB.