Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Turn Hot Water Tap On
Boiler On/Off switch Off
Remove and disconnect internal programmer
Remove and disconnect internal programmer
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Boiler On/Off switch On.
Reset lockout if necessary.
Does the Fan now run?
Refit programmer after test.
Reset lockout if necessary.
Does the Fan now run?
Refit programmer after test.
Isolate as per TOPs P4
and refit as necessary