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