OBSERVATION BOILER SELF CHECK

Set Appliance State:

Mains Power Off

Ensure No demands

WARNING! - Mains voltage is expected during test follow
TOPs P4 live testing procedure

Mains Power On

Observation:

Allow the boiler to complete its self-check, this will take approximately 40 seconds, the boiler flow temperature should then be displayed.

Note.
1. Some fault codes will only occur with a demand.
2. The display will illuminate for approximately 30 seconds during the self-check period before extinguishing, a first key press will illuminate the display only.

Boiler flow temp

Fault code

Ice

Boiler turned off

If a fault code is present (see note) then choose that option from below.