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Thread: Heater Won't turn Off

  1. Back To Top    #1

    Join Date
    Aug 2014
    Las Vegas nv

    Heater Won't turn Off

    I have a issue with heater turning on when pump turns on and buttons on control board won't shut it off. I purchased a new control board and it still won't turn off. None of the buttons seem to work. Sta rite maxi therm 400.

    Pump turns on in the morning on schedule but so does the heater. Can't turn it off cuz buttons won't work. Purchased new control board and same thing. Heater buttons won't work and heater turns on by itself and I can't turn it off. Buttons don't work. Had to take it apart and unplug all connections to turn it off. What's the problem?
    Last edited by Patrick_B; 08-03-2014 at 07:11 AM. Reason: Same Question

  2. Back To Top    #2

    In the Industry
    ps0303's Avatar
    Join Date
    Jul 2011

    Re: Heater Won't turn Off

    Sounds like a keypad issue. Keypads usually go before the board does.

    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.

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