While you wait for answers, we may have found some information which could help you.
Click here for Pilot Light Radiatorshow can i fix my central heating. Glow-worm ultimate?
Glow-worm micron 60ff boiler niosy ?
Glow-worm 30cxl?
how to find a fault?
Intermittent boilet fails to fire on heating?
boiler will not turn off (only manually)glow-worm micron 80ff?