Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Observation:
Check that all the connectors / plugs on the appliance are securely connected and that all the harnesses are in good condition and not placed in a position where they may become trapped.
Check for any signs of water ingress to the boiler or wiring.
Check for any signs of water ingress to the boiler or wiring.