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Norcold NRF 30 too cold

UpNortUpNort Member Posts: 11
in Air Conditioning & Refrigeration
My Norcold cooler gets too cold no matter what the temp setting is at. It froze everything on our last outing. Does anyone know how to gain access to the thermistor which I suspect is the culprit. According to the schematic there is a spare, but I could not locate the wire.
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  • UpNortUpNort Member Posts: 11
    My Norcold cooler is original to my 2014 Pleasant Valley T@G. I was having issues with voltage errors, as others on this forum which I fixed and will discuss on the appropriate post. The last couple of trips taken I was having the freezing issue as originally posted.  I chatted online with customer service at Norcold and was given the link to the parts diagram and service centers which I already had. The NRF-30 is no longer being manufactured or supported. Kind of like your old android phone. I called and visited several service centers in the Minneapolis/St. Paul area and nobody wants to touch it. As my original post states the schematic shows a spare temp sensor. I removed the controller and cut the zip tie to the wire bundle and found the wire for the spare temp sensor as shown in the attached picture. The connector is hot glued onto the control board so you will have to be careful when removing, either with a razor knife or a solder iron. Be careful not to wiggle connector too much or you will loosen solder joint at control board. It may have been put there as a tamper seal. The cooler now operates as its supposed to. There is a RV dealer in Massachusetts that has bought up and is selling new control panels on Ebay. While I was trying to figure out what to do, I researched and found a cooler that will fit into the same space without any modifications. Its an Igloo ICF-32. This cooler has 2 liters more space and runs quieter and less frequently than the Norcold. Igloo was sold to Dometic a couple of years ago so basically your getting their cooler for half the price.
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  • shelleymcc64shelleymcc64 Member Posts: 5
    edited March 3
    Late to the thread, but did switching to the spare temp sensor work?  Having the same issue with our Norcold. 
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  • rasras Member Posts: 205
    Thanks for the info.  I've been struggling with ours for a year.  Just bought a new control board from eBay.  Thanks again

    RV 2016 T@G 5W
    TV 2019 Outback or 2011 4Runner

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  • JamesDowJamesDow Member Posts: 722
    Good information for those like myself who still have the original Norcold NRF-30. Thanks!
    I already bought a backup BougeRV CR28 (30 Qt.  $203). Near dropin ready. Had not seen the Igloo ICF-32, which may be even a better fit, although over twice the price. 
    Glad you got things running at the right temp. 
    Best of luck.

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