Question about Pentair Minimax NT Heater

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My Pentair Mini Max NT won't come on. The control panel LED flashes between the bars (like when it is trying to read the temp) and 88.8 with the service light coming on when the 88.8 is showing and going off when the bars are showing. All of the lights on the right side light up at once when the 88.8 is showing too but go off when just the bars are showing. This cycles continuously whenever the heater is turned on.

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  • 310 Answers

Check out this forum for complete answers to this problem.
http://innovationlab.pentairpool.com/forum/topics/err-display-on-minimax-nttsi

Posted on Jan 07, 2011

Testimonial: "Thank you very much. This may be exactly what has happened. I recently had the Thermistor replaced. "

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