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?
Siemens RDJ10RF thermostat problem?
Vaillant F22 fault?
Remove cover off gas boiler?
Vaillant ecotec 831 plus?
Worcester boiler dripping water?
Oil fired boiler thermostat?
How to fix my fireplace?
Remove boiler cover?
Boiler cycle?
How do I work my Storad storage heater?
Worcester 30 Cadillac combi boiler won’t fire up and the EA?