Set Appliance State:

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

Observation:

Reset the boiler then press the info
button to access the boilers current status.
Does the appliance now complete its self check and then go to standby mode (status 203), or does it return to fault code?
If a different fault code is displayed click
here to go back to fault code list.