Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Remove connector X17 from the PCB
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Reset appliance (press reset button for 2 seconds and release).
Does the boiler reset?
Does the boiler reset?
Isolate as per TOPs P4
and refit as necessary