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