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