While you wait for answers, we may have found some information which could help you.
Click here for Burner Left Front
Greenstar 24Ri boiler, fast flashing - can I reset?
Worcester 30 Cadillac combi boiler won’t fire up and the EA?
Remove boiler cover?
One radiator in a bedroom is always cold?
Siemens RDJ10RF thermostat problem?
Remove cover off gas boiler?