Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Remove connector X22 from the PCB and make safe
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
With connector X22 removed from the PCB does the display now operate?
Isolate as per TOPs P4
and refit as necessary