Set Appliance State:
On/Off Switch OFF
CH Demand
Isolate Mains Power to appliance as per TOPs P4
CH temperature selector at maximum
Disconnect plug connector ST5 from the PCB
CH temperature selector at maximum
Disconnect plug connector ST5 from the PCB
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Appliance On/Off control set to On position.
Reset lockout as necessary.
With a CH demand does the ignition sequence commence and the burner ignite?
Reset lockout as necessary.
With a CH demand does the ignition sequence commence and the burner ignite?
Isolate as per TOPs P4
and refit as necessary