We may have found other answers which could help you.
Click here for Heating Boiler Troubleshooting
Glow worm 100E small burner flame, now hot water?
why is radiators hot when only water is on..HELP?
Replacing LP112 Programmer?
Why is my upstairs heating always on?
loud bang when boiler fires up, fault code F1 if it fails to fire?
how can I fix my old glow worm central heating boiler model 65-80?