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