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I have a Coleman Spa Hot Tub. The screen is blinking OH and nothing will work. How do i make it work?

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I have a Coleman Spa Hot Tub. The screen is blinking OH and nothing will work. How do i make it work?

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  1. The other is correct that it doesn mean Overheating is occuring.  Most likely it is a faulty temp sensor.  We would first replace it and then if it still does not go away you have to replace your circuit board.  Easy fix!


  2. OH = Overheat.

    You will have to let it cool down (which means time).

    Suggest disconnecting the power overnight and restart it in the morning. If it still is a problem, you'll need to find out what is causing it to trip the overheat sensor.

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