While you wait for answers, we may have found some information which could help you.
Success
Message
Vaillant ecotec 831 plus?
British Gas 532/i Gas Combi Boiler?
Worcester boiler dripping water?
How do I work my Storad storage heater?
Siemens RDJ10RF thermostat problem?
Remove boiler cover?
Fan tries to run every 15 seconds then stops immediately?
Boiler cycle?
Vaillant F22 fault?
Greenstar 25 combo boiler?
Advice?
Worcester Bosch 532/i Combi Boiler?