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Thread: Hayward Heater Help

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    Hayward Heater Help

    I'm having a problem with my Hayward heater. It is a model H400FDN 400,000 btu. A few months ago the thin sheet of plastic that covers the buttons fell off. I couldn't find it so I just put some electrical tape on it. I have Jandy controls and never use the buttons. Now I'm going to sell my house so I need to fix it but don't want to start throwing parts at it. I replaced the bezel and noticed the lights were out. No leds and no display. I cant remember now if they worked before but I even plugged in the old bezel and it didn't make a difference. Powered everything and still blank. It did this about a month ago after the power went out. A few days later is was working again. Does this sound like the display board? Its no cheap but I'll give it a try if thats whats needed.

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    Mod Squad Bama Rambler's Avatar
    Join Date
    Jun 2009
    SouthWest Alabama

    Re: Hayward Heater Help

    I'd wait for someone else to chime in but it sure sounds like a fried display board.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
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    Re: Hayward Heater Help

    Thanks. I'll get one

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