Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Set Multimeter to DC Volts 
Remove 4x screws securing front facia
(1x front, 1x behind main PCB, 2x above PCB)
Unclip cover from display PCB, disconnect plug
and secure against PCB housing with tape as shown
(1x front, 1x behind main PCB, 2x above PCB)
Unclip cover from display PCB, disconnect plug
and secure against PCB housing with tape as shown
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Measure the voltage between pin 2 at the
disconnected plug to a suitable earth point.
Voltage should be approximately 5V DC.
Repeat this test on pins 7, 8, 9 and 10.
Voltage should be approx 5V DC on each pin.
disconnected plug to a suitable earth point.
Voltage should be approximately 5V DC.
Repeat this test on pins 7, 8, 9 and 10.
Voltage should be approx 5V DC on each pin.
Isolate as per TOPs P4
and refit as necessary