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