hi all, any one had the flashing f9 fault followed by the pressure . This points to pressure sencor what iv changed. Now iv only got f9 flashing boiler ran for a few seconds then cut out. It seems to set itself intermittantly and work ok.
on the very early ci's f9 was a global fault code which could be almost anything. There is a diagnostic tool called a diacom which may help in this case. . . .
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