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