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