We may have found other answers which could help you.
Success
Message
Vaillant F22 fault?
Siemens RDJ10RF thermostat problem?
Worcester 30 Cadillac combi boiler won’t fire up and the EA?
How do I work my Storad storage heater?
Oil fired boiler thermostat?
Vaillant ecotec 831 plus?
Worcester boiler dripping water?
Greenstar 24Ri boiler, fast flashing - can I reset?
Remove boiler cover?
Boiler cycle?
How to fix my fireplace?
Remove cover off gas boiler?