We may have found other answers which could help you.
Success
Message
Vaillant ecotec 831 plus?
Remove boiler cover?
Fan tries to run every 15 seconds then stops immediately?
Vaillant F22 fault?
Siemens RDJ10RF thermostat problem?
Advice?
Greenstar 25 combo boiler?
Worcester Bosch 532/i Combi Boiler?
Worcester boiler dripping water?
British Gas 532/i Gas Combi Boiler?
How do I work my Storad storage heater?
Boiler cycle?