Question about Pentair Minimax NT Heater

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Pentair Minimax Nt heater wont turn on and heat, "err" message

I have a Pentair Minimax NT heater and everytime I try to turn it on, it will read "err" and the service light will turn on. I have powered off the unit and turned it back on and that fixed the problem once and it was fine for about a week but that quick fix is not working anymore. why is it not kicking out heat and reading "err"

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  • Anonymous Jan 26, 2009

    heater will not ignite

  • Gidgetsdad Mar 02, 2009

    I have the same err but my pressure sw light is on not the service light? It won't ignite either...

  • mikeyd32 May 24, 2009

    I have the same problem. Can someone post a solution please? Thanks,



    Mie



    I have a Pentair Minimax NT heater and everytime I try to turn it on, it will read "err" and the service light will turn on. I have powered off the unit and turned it back on and that fixed the problem once and it was fine for about a week but that quick fix is not working anymore. why is it not kicking out heat and reading "err".

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Temp sensor get the new one with yellow wires.should do the trick.

Posted on Jun 05, 2009

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I have the same problem. I ohmed out the thermistor, and it is reading open, so I am going to try and change that out first. Ill let you know if that works....

Posted on Apr 04, 2009

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