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