We may have found other answers which could help you.
Click here for Boiler Ignition Pcb
I have a 30cx glowwarm that is showing F4 as fault.I have no hot water?
Home heating systems?
My radiators not heating up?
My central heating is not working?
Which way to turn slotted screw to adjust water pressure up on a glow worm ?
BMU error code?