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