We may have found other answers which could help you.
Click here for Combi Boiler Low Pressure Boiler RepairCentral heating not working?
BMU error code?
Glow worm flexicom 30cx auto air vent - how do I replace?
I have a 30cx glowwarm that is showing F4 as fault.I have no hot water?
My central heating is not working?
fitting thermostat?