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