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