Set Appliance State:

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

Observation:

Has the boiler cleared F13 fault code?
Please select from options below:
F13 fault code cleared and no other fault code appears
(Retest appliance from start of model)
F13 fault code cleared but a different fault code occurs
F13 fault code does not clear