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?
Vaillant ecotec 831 plus?
How do i stop the time from flashing on the Siemens RDJ100RF?
Worcester boiler dripping water?
Siemens RDJ10RF thermostat problem?
Boiler cycle?
One radiator in a bedroom is always cold?
Greenstar 24Ri boiler, fast flashing - can I reset?
Remove cover off gas boiler?
Remove boiler cover?
Oil fired boiler thermostat?
How to fix my fireplace?