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