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Thread: Hayward Heater problem

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    Hayward Heater problem

    Can anyone help I have a Hayward Heat pump for my pool but now when I turn it on code HIA shows up first thing, the heat pump works, it seems to take a little longer than usual to come on. What do I need to do, please help if you can do not want to cause more problems by using it. Thanks

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    Join Date
    Apr 2011
    Lynchburg VA

    Re: Hayward Heater problem

    HI is the only thing I could find in the manuals and that is either a low water flow indicator or a high water temp indicator.
    18x36 Vinyl In-ground w/roman ends 27,400G, Hayward 3/4hp with 300# sand filter. Hayward heat pump heater

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    Christian's Avatar
    Join Date
    Jul 2012
    Sacramento, California

    Re: Hayward Heater problem

    Can you verify the code? I can't find anything under HIA.

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    Re: Hayward Heater problem

    HIA 2.1 is the code it shows then it starts up after a few minutes.

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    ps0303's Avatar
    Join Date
    Jul 2011

    Re: Hayward Heater problem

    Call Hayward Customer Support, 908.351.5400. What you are seeing could just be the version of the code for the system board.
    Paul A word of caution: When working with gas and electrical you might want to consider a licensed contractor. Consider the value of your life and others around you. If you would like to provide a review of the help I provided, please use the following link to leave a review. gastek - Google Search,

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    Re: Hayward Heater problem


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    Re: Hayward Heater problem

    I had the same code displayed when my heat pump quit. At first I thought it was the fan so I replaced it but still had the same trouble - compressor would start but fan would not spin up. I could bump the fan blades and it would run for a bit then shut down again. I finally replaced the Fan Run Capacitor (part no. HPX11024151) and that did the trick.

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