Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Set Multimeter to AC Volts 
Gain access to PCB (use Insulation Mat as required)
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Reset appliance if required.
(press and hold the reset 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?
(press and hold the reset 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?
Isolate as per TOPs P4
and refit as necessary