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  1. PaulUK

    Persistent air lock and FLO error message

    Hi guys, Pump #1 circulation pump does not come on but shows FLO error on topside, so fails to heat up, 1st speed only as 2nd speed on Pump 1 has always worked when you press the button. I have had this error for some time now (just got on with it), it’s a bit intermittent but more present in...