We may have found other answers which could help you.
Success
Message
fitting thermostat?
GS 24i junior boiler timer broken?
My central heating is not working?
BMU error code?
How to fix glow worm 18 hxi ?
Home heating systems?
My radiators not heating up?
I have a 30cx glowwarm that is showing F4 as fault.I have no hot water?
Glow worm flexicom 30cx auto air vent - how do I replace?
I have moved into a flat am dissabled carnt get heating on unit flashing F1?
Which way to turn slotted screw to adjust water pressure up on a glow worm ?
Central heating not working?