We may have found other answers which could help you.
Success
Message
what causes the sabre he 25 to come on, on its own?
sabre 24?
central heating wont turn off?
what dose fault f4 mean?
Is it normal that the flame is burning all the time?
Glow-worm 40B system top-up and inhibitor issue?
Glow.worm ultracom 38 cxi showing f25 faultcode?
how can l fix my gas control valve?
F5 fault ?
I recently repaired a leak on a rad valve, ?
Clearing a blockage from a heat exchanger?
My Glow-worm Flexicom 30SX looses pressure 0.0?