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