Set Appliance State:

Turn Hot Water Tap On
Gas On
WARNING! - Mains voltage is expected during test follow
TOPs P4 live testing procedure
Mains Power On

Observation:

If required, reset boiler.
Can the burner be heard to ignite & establish?
Note.
1. A flame symbol will be displayed when the burner has established.
2. The boiler will enter lockout after 5 attempts of ignition, approximately 3 seconds between each attempt, reset as required until test is complete.
3. If fault code "A02" occurs click here.
4. If fault code "A03" occurs approximately 15 seconds after fan starts, click here.