Set Appliance State:
Gas Off
| Isolate Mains Power to appliance as per TOPs P4 |
Turn Hot Water Tap On
Boiler Switch in ON position
Central Heating switch in OFF (central) position
Central Heating switch in OFF (central) position
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Observe Fan.
Does speed increase and remain constant?
Note:
Do not take sound or vibration as an indication of the fan is running at high speed.
Does speed increase and remain constant?
Note:
Do not take sound or vibration as an indication of the fan is running at high speed.