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