While you wait for answers, we may have found some information which could help you.
Success
Message
fitting thermostat?
water from taps is boiling hot?
boiler will not turn off (only manually)glow-worm micron 80ff?
Home heating systems?
how can i fix my central heating. Glow-worm ultimate?
Glow-worm 30cxl?
radiators hot when water turned on?
Loud clanging/Glow-worm Boiler?
how to find a fault?
What can I do about a Glow-worm Flexicom 30cx fault code F11?
Glow-worm micron 60ff boiler niosy ?
Intermittent boilet fails to fire on heating?