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