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