Set Appliance State:
Gas Off
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
External controls calling for heat
Remove the combustion chamber cover
Remove the combustion chamber cover
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Observation:
Reset boiler as necessary.
Allow fan to run and ignition sequence to commence.
Can sparking be seen between the electrode tip and the burner?
Allow fan to run and ignition sequence to commence.
Can sparking be seen between the electrode tip and the burner?
Isolate as per TOPs P4
and refit as necessary