While you wait for answers, we may have found some information which could help you.
Click here for Heating Boiler Repair
Boiler cycle?
Worcester 30 Cadillac combi boiler won’t fire up and the EA?
Greenstar 24Ri boiler, fast flashing - can I reset?
How do i stop the time from flashing on the Siemens RDJ100RF?
Oil fired boiler thermostat?
Remove boiler cover?