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    econoline5065's Avatar
    econoline5065 Posts: 2, Reputation: 1
    New Member

    Nov 14, 2011, 05:49 AM
    Regarding 1997 Cal spa heating
    Hi Chaosmaster1,
    Thanks for your answer. The only error code is the flashing Flo, but I think it has always flashed this. I have water runnning through the heating tube and not air locks anywhere. Would it benefit me to install a new Temp. sensor? Also could you tell me how to test the current heating element so if bad, I can order another.
    Thanks again for your help.
    Dr_Spa's Avatar
    Dr_Spa Posts: 101, Reputation: 13
    Junior Member

    Nov 15, 2011, 07:44 AM
    Flo indicates that the system thinks there's not enough water flowing to activate the heater. Have you properly adjusted the pressure switch you installed?

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