We may have found other answers which could help you.
Click here for Heating Radiators Boiler
I have moved into a flat am dissabled carnt get heating on unit flashing F1?
Home heating systems?
I have a 30cx glowwarm that is showing F4 as fault.I have no hot water?
My radiators not heating up?
GS 24i junior boiler timer broken?
Which way to turn slotted screw to adjust water pressure up on a glow worm ?