Set Appliance State:

Mains Power Off
NO demands
WARNING! - Mains voltage is expected during test follow
TOPs P4 live testing procedure
Mains Power On

Observation:

The boiler will run a self-check, allow 15 Seconds for self-test to complete before proceeding.
During the self-check if the boiler detects a situation which it considers to be a fault, the blue LED will flash at different rates, indicating a fault code.
If a Fault Code is shown (flashing Blue LED) choose that option below.
Choose an option from below.