Set Appliance State:
Mains Power Off
Turn Hot Water Tap On
DHW Temperature Selector set to MAX
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Reset appliance as necessary.
Can the fan be heard to run for at least 5 seconds?
If you cannot hear the fan running:
Gas Off
Remove combustion chamber and repeat test to visually confirm if fan is running or not.
Can the fan be heard to run for at least 5 seconds?
If you cannot hear the fan running:
| Isolate Mains Power to appliance as per TOP's P4 |
Remove combustion chamber and repeat test to visually confirm if fan is running or not.
Isolate as per TOPs P4
and refit as necessary