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