While you wait for answers, we may have found some information which could help you.
Success
Message
Greenstar 24Ri boiler, fast flashing - can I reset?
Oil fired boiler thermostat?
Remove cover off gas boiler?
Vaillant F22 fault?
Vaillant ecotec 831 plus?
Worcester 30 Cadillac combi boiler won’t fire up and the EA?
How to fix my fireplace?
Siemens RDJ10RF thermostat problem?
Worcester boiler dripping water?
Remove boiler cover?
Boiler cycle?
How do I work my Storad storage heater?