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