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