Set Appliance State:

Mains Power Off
CH Demand
Gas On
WARNING! - Mains voltage is expected during test follow
TOPs P4 live testing procedure
Mains Power On

Observation:

Reset appliance if required (press reset button for 2 seconds and release).
Approximately 3 seconds after the fan starts, does the
burner ignite and establish smoothly?
Note.
1. It may take approximately 40 seconds for the boiler to recognise
a demand (radiator symbol flashing), this will depend upon the boiler status. (Status code guidance CLICK HERE)
2. The boiler will try to ignite the burner 5 times before lockout occurs, reset as required until test complete, if fault code F32 is displayed choose that option from below.