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