Set Appliance State:
Mains Power Off
Turn hot water tap on and set flow rate to approx. 3 litres per minute
Ensure primary heat exchanger is cool
Ensure primary heat exchanger is cool
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Reset appliance if required (press and hold reset button for 5 seconds, then release).
Does the fan run, burner ignite and establish smoothly?
Notes:
The flame can be seen via the viewing mirror at the top of the appliance, some versions of this boiler do not have this facility, in this case listen for burner ignition approximately 10 seconds after the fan has started.
Burner establishing is indicated by the green LED illuminating
next to the flame symbol on the boiler fascia.
Does the fan run, burner ignite and establish smoothly?
Notes:
The flame can be seen via the viewing mirror at the top of the appliance, some versions of this boiler do not have this facility, in this case listen for burner ignition approximately 10 seconds after the fan has started.
Burner establishing is indicated by the green LED illuminating
next to the flame symbol on the boiler fascia.