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Old 10-08-2019, 08:13 AM   #1
Mick 1836
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Norcold 2118 Fridge / Freezer

Our 2018 Keystone Alpine 3500 RL came fitted with a Norcold 2118 18.3 cu ft fridge is struggling.
Our Alpine is out in Spain, in July we shut down the fridge / freezer and flew home to the UK until yesterday.
Turned fridge on using mains electric, freezer cools but not fridge, switched to propane, fridge slightly cooled any ideas????
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Old 10-08-2019, 11:51 AM   #2
xrated
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The very first thing to check is the Door Flap on that model. I also have the same model Norcold and a very, very common problem is that the door flap, on the left door hangs up and doesn't close completely. When this happens, there is now a gap between the left door and the right door and the refrigerator compartment will not cool down as it should. The next thing to check is the Thermistor in the frig compartment. If you look inside, the cooling find at the back wall will have a small metal device with a white wire coming off of it. The clip that holds the Thermistor should be on the second fin from the right, and the top of the clip should be 3/ -1/2 inch from the top of THAT fin. Check out those two things and give it a try.....and let us know. After I fixed the door flap issue on mine, it will keep the frig compartment in the mid 30s Fahrenheit, with the temperature control set on either 3 or 4.
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Old 10-08-2019, 12:32 PM   #3
Mick 1836
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Hi Xrated, first thank you for your reply and your suggestions, both left door flap and the thermistor are closing and on the correct fin and location.


The fridge / freezer worked okay prior to it been switched off in July which is what is puzzling
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Old 10-08-2019, 02:28 PM   #4
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I’m not sure how to help here but just to be clear I got this message from Norcold about thermistor position.

“The thermistor should be connected to the 2nd fin from the right and should be 2” from the top.”

Thank you,
Customer Service
Thetford Corp. / Norcold Inc.
1 (800) 543-1219 Opt. 1
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Old 10-08-2019, 03:50 PM   #5
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I need to make a correction......I was on my tablet when I posted above. The correct position of the thermistor clip, according the manual that came with mine is.........3/8" - 1/2" from the top of the second fin from the right....my numbers didn't come out correctly in my first post.

PS......I've not heard about the 2" position. In fact, the further you move it down from the top, the warmer the refrigerator will get if everything stays the same....outside temperature, same setting on the control, etc.
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Old 10-08-2019, 03:56 PM   #6
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Make sure the fans at the top of the fridge in the back are coming on. You should be able to hear them once the top of the cooling unit reaches the proper temp, donít recall right now but if they arenít coming on your issue is common.
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Old 10-08-2019, 11:06 PM   #7
Mick 1836
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Morning Guy's, on going to the fridge this morning found it working again, I did move the thermistor slightly on the 2nd fin so presume that had some effect, thank you all for your help and advice
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Old 10-09-2019, 04:39 AM   #8
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mine takes 2 days to achieve proper temp. added an outside fan and we are good to go no matter how hot it gets outside
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Old 10-09-2019, 08:24 AM   #9
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Adding the battery powered fridge fan inside on a bottom shelf also helps tremendously. The batteries last almost 2 months, fan cost about $12 (10+ years ago) & probably spent $100+ on D batteries in that 10+ years, but never had a fridge issue in 3 RVs in that time either, all worked great, both Dometic & Norcold. It also seemed to slow the frost buildup in the freezer, how I don't know, but DW only had to defrost about once a year while full-timing.
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