We may have found other answers which could help you.
Click here for Boiler Fault Codes Combi
Glow-worm 40B system top-up and inhibitor issue?
I recently repaired a leak on a rad valve, ?
F5 fault ?
how can l fix my gas control valve?
My Glow-worm Flexicom 30SX looses pressure 0.0?
Is it normal that the flame is burning all the time?