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