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