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