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Pentair pool heater reads err, service light is on

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Check the transformer for 24 volts

Posted on Aug 23, 2009

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Posted on Jan 02, 2017

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1 Answer

Ignition


reset the pcb, cut the power to the heater one time if still don't work you may try to replace the water temperature sensor, if dosen't work replacethe main circuit board, is this digital display or arnolog 2 dialing nuts ? goood luck

Jun 09, 2013 | Pentair Minimax NT Heater

Tip

ERR code


When a heater is showing the ERR in the display panel, this is what Pentair classifies as a "hard lock out". Basically, there is something wrong with the heater and needs to be serviced. There is no way to reset this code, since there is a malfunction within the heater itself.

on Jul 09, 2009 | Pentair Minimax NT Heater

1 Answer

I have a pentair mini max heater and the digital raedout says err is there a way to clear this and restart heater


The err code mean either the thermistor is bad, or the transformer is not putting out the correct voltage, or the control board is bad.

Mar 10, 2011 | Pentair Pool & Spa

2 Answers

Minimax NT Heater: Heater wont light Err error code. Reset and nothin...


You should try changing out the thermistor first. That is the likely culprit. Not too bad of a repair. The main pcb could also cause this, but i would r and r the thermistor first. HTH

May 17, 2010 | Pentair Minimax NT Heater

1 Answer

Heater will not turn on.


If the heater does not even attempt to light, it's most likely the Digital Display Temperature Controller (DDTC) Circuit Board.

Nov 08, 2009 | Pentair Minimax NT Heater

1 Answer

Err light on on pentair nt minimax. pushed power button, won't go off. any suggestions?


24 v at the transformer ? if yes unplug thesmostat probe if 888 change t probe if err change t board

Sep 06, 2009 | Pentair Minimax NT Heater

1 Answer

Pentair Minimax Nt heater wont turn on and heat,


Bad thermistor. The yellow wire that plugs into the control board. Lick finger and touch prongs. Heater should come on

May 29, 2009 | Pentair Minimax NT Heater

2 Answers

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


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

Jan 19, 2009 | Pentair Minimax NT Heater

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