Boiler just started flashing F5 fault. Have tried switching off and back on again but still shows F5. Header tank was empty so think maybe air in system. Tank now full but how do I restart boiler?
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Glow-worm 330 with F5 fault
- Thread starter melc
- Start date
Just found previous similar posting. Located red button within inner cover and all OK now.
Help does anyone know what the F5 code means and how i can fix it im freezin 
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