While you wait for answers, we may have found some information which could help you.
Success
Message
Worcester 30 Cadillac combi boiler won’t fire up and the EA?
Remove cover off gas boiler?
Greenstar 24Ri boiler, fast flashing - can I reset?
Vaillant ecotec 831 plus?
How do i stop the time from flashing on the Siemens RDJ100RF?
Boiler cycle?
One radiator in a bedroom is always cold?
How to fix my fireplace?
Worcester boiler dripping water?
Siemens RDJ10RF thermostat problem?
Oil fired boiler thermostat?
Remove boiler cover?