We may have found other answers which could help you.
Success
Message
Worcester 30 Cadillac combi boiler won’t fire up and the EA?
How to fix my fireplace?
Boiler cycle?
How do i stop the time from flashing on the Siemens RDJ100RF?
Remove boiler cover?
Vaillant F22 fault?
Remove cover off gas boiler?
Greenstar 24Ri boiler, fast flashing - can I reset?
Oil fired boiler thermostat?
Vaillant ecotec 831 plus?
Siemens RDJ10RF thermostat problem?
Worcester boiler dripping water?