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