Question about Pentair Minimax NT Heater

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Heater has been running and heating, but getting E02 error and HI

After heater has been running, it shows E02 and HI codes. I have also heard a knocking sound. The water is warm but not to correct temp.

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  • 44 Answers

Sounds like a water flow issue check your bypass valves check for clogged filter or thermal regulator ,or manifold bypass

Posted on Dec 10, 2014

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Posted on Jan 02, 2017

Muzzi_123
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SOURCE: Minimaxpower on but fails to start no error code just flashes off

hi, it seems like a component malfunction, Try a hard reset Just unplug the power cord for 30 minutes or more, then try again.

Posted on May 07, 2009

  • 246 Answers

SOURCE: E02 error and heater will not start. Service

high limit is open this is due several factors like slow water .pump on low speed or dirty filter, also hard water, or assembly valve not working properly so make sure the filter is clean check the water chemistry an last check the valve assembly. make sure plumbing is correct water in and out from the heater

Posted on Sep 19, 2009

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E02 error and heater will not start. Service


high limit is open this is due several factors like slow water .pump on low speed or dirty filter, also hard water, or assembly valve not working properly so make sure the filter is clean check the water chemistry an last check the valve assembly. make sure plumbing is correct water in and out from the heater

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