Set Appliance State:
Gas Off
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Operating Switch in Heating & Water position
Remove combustion chamber cover
Remove combustion chamber cover
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Is the Fan running?
Note:
Do not take Noise or Vibration as indication that the Fan is running.
Note:
Do not take Noise or Vibration as indication that the Fan is running.
Isolate as per TOPs P4
and refit as necessary