Question about Pentair Mastertemp Pool & Spa Heater Dual Electronic Ignition 400,000 Btu Lonox Propane 460737
E05 and E06 is the error codes for a faulty stack flue sensor. try changing the sensor first is the cheapest. if that doesn't work check for corrosion on control board in which case will have to change out board.
Posted on Feb 08, 2012
Review the trouble shooting guides in your owner manual. You will find it says to look at the LEDs on the back of your main control board. They are difficult to see with the board installed, if you can't identify which LED is lit just remove the 4 small screws at the corners of the board,remove it a see which sensor LED is lit. You can bet it will lead you to an area to investigate, ie temp sensors, air flow sensors, water temp sensor etc. Hope this helps. I'm in the middle of the same troubleshooting process.
Posted on May 31, 2009
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Posted on Jan 02, 2017
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