We may have found other answers which could help you.
Click here for Boiler Heating Burner
loud bang when boiler fires up, fault code F1 if it fails to fire?
why is radiators hot when only water is on..HELP?
how can I fix my old glow worm central heating boiler model 65-80?
Why are my radiators are not heating?
boiler internal fuse keep blowing out!?
What does F43 error message mean on Glow Worm 24/30cx?