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