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