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