Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Observation:
Is the system correctly filled and all radiators vented?
If a sealed system ensure the pressure is set correctly at 1-1.5 bar
If an open vented system check the header tank is full and that the cold feed and vent assembly are not blocked.
If a sealed system ensure the pressure is set correctly at 1-1.5 bar
If an open vented system check the header tank is full and that the cold feed and vent assembly are not blocked.