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:

Reset appliance if required.
(Press and hold the power button for 4 seconds then release)
Approximately 10 seconds after power is reinstated or the appliance resets measure the voltage between the brown and blue wires on connector X14.
Expect mains voltage.
Is mains voltage measured?