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Old 05-16-2019, 08:43 AM   #41
JRTJH
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Originally Posted by mikz86ta View Post
...
Our front AC will freeze up if it's hot and humid outside (South Florida) and we are in and out of the RV alot. The rear AC which is in the garage never freezes up...no matter big we leave the garage/living mid-door open or not. Kinda odd
Check the location of the freeze plug in your front A/C. It may be too high in the evaporator or it may not be fully inserted between the evaporator fins.
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Old 05-16-2019, 10:26 AM   #42
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Got it home, you’re right no curtesy wash. �� When I arrived home, I plugged it into to power at about 4pm, it is now 7:30 am freezer is working fine, but fridge is only at 52. I know they say it may take up to 24 hours for it to reach set temperature. But I choose this unit vs one that had a domestic (compressor type) vs an RV type with a inverter. Hopefully in the full 24 hour timeframe it will pull down, as we are scheduled for to couple day trip on Monday. If it don’t i’m Not sure I want to take it back to the dealership. They ended up charging me $180.00 for a diagnostic fee since they couldn’t find anything wrong with the fridge. Maybe i’ll try calling the factory. Any suggestions?
Question...Do you have a Samsung fridge? If so and freezer is working the fridge is froze up. If you take the panel off in back of fridge(inside) it will have a block of ice in the back. You have to turn it off and let it melt for a few days and then plug it back in. Set the freezer at about 8 degrees and fridge at 34. Fixed ours and Samsung knows it's a problem.
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Old 05-16-2019, 10:32 AM   #43
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I am going to just throw this out there for your future consideration. I don't bother with the dealers anymore. I call a mobile rv service tech. Even if its a warrantee issue. As long as they are service rep for the product in question it will be covered the dealer bills the manufacturer for the repair anyway. The only draw back is you will have to pay his travel cost in most cases its less than a hundred dollars. Believe me you will be so much happier with the service.
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Old 05-16-2019, 02:52 PM   #44
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I am going to just throw this out there for your future consideration. I don't bother with the dealers anymore. I call a mobile rv service tech. Even if its a warrantee issue. As long as they are service rep for the product in question it will be covered the dealer bills the manufacturer for the repair anyway. The only draw back is you will have to pay his travel cost in most cases its less than a hundred dollars. Believe me you will be so much happier with the service.
When you consider that taking it to the dealer usually means time off from work, hitching, towing it XXX miles, unhitching, then doing the same thing when they call you that it's ready to be picked up. (hopefully they fixed what was wrong or you'll be doing all the time off/towing again)...

When you add the cost of your time, inconvenience, operating expenses for the tow vehicle to make two trips to the dealer, usually a mobile repair service "trip charge" isn't any more and often is cheaper than taking it to the dealer..... Of course, if you live next door to the dealer, that may be different for you, but if you live 50-100 miles away, well, do the math.....
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Old 05-16-2019, 03:20 PM   #45
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We went thru this for 3 1/2 years with our Big Sky. Every time a tech would check it, it would work fine. I even went thru weeks at a time where I kept a log of the fridge temps. It didn't matter. Since it would work when they tested it, I couldn't get it fixed. Everybody kept telling me that it was probably trash in the cooling unit. We ended up trading for a motorhome and got a residential refrigerator. I'll never go back to the ridiculously expensive RV refrigerator. We could just replace the whole residential cheaper than having an RV fridge repaired.
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Old 05-16-2019, 07:53 PM   #46
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Log in to the better business and tell your story on a complaint form it is posted on line and dealers don’t like the bad pr.
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Old 05-17-2019, 07:12 AM   #47
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Back from trip and unit in storage, but left fridge on, set at 7. Checked it this morning and it was at 37. I am concerned of the exact location that the thermister is supposed to be in the 2118. It is on the second fin from the right, but factory had it 1/2 down from the top. In a picture on the web site ARPRV.com shows it on the same fin, but more towards the center of the fin. Which is correct? and do you think it would make that big of a difference?
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Old 05-17-2019, 07:19 AM   #48
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The placement on the fin up or down is how the temp is set. Yes, it will make a difference.
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Old 05-17-2019, 07:22 AM   #49
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Ok make sense........... where should it be placed
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Old 05-17-2019, 12:15 PM   #50
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Ok make sense........... where should it be placed

From the factory, mine was on the last fin to the right, about halfway up the fin. There is a sticker on the side of the fridge that points up for colder and down for warmer. I moved it to the second fin in because it was too cold, but that was without load. It is packed now for a weekend boondocking excursion, so I will see what it does over the weekend running off gas.
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Old 05-17-2019, 12:24 PM   #51
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From the factory, mine was on the last fin to the right, about halfway up the fin. There is a sticker on the side of the fridge that points up for colder and down for warmer. I moved it to the second fin in because it was too cold, but that was without load. It is packed now for a weekend boondocking excursion, so I will see what it does over the weekend running off gas.

Dometic and Norcold have different placements for the thermistor.

Norcold doesn’t have a sticker.

I’ll post a pic as soon. As I get a chance.
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Old 05-17-2019, 03:40 PM   #52
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Here is the email we got 12/15/2016
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Clearly states thermistor should be on the 2nd fin from right 1/4 inch from top.
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Old 05-17-2019, 07:08 PM   #53
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1/4 okay mine was a little below 1/2. I tried it in the center, and the temp went up to 50 and I was set on 7. Good to know thanks.
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Old 05-17-2019, 07:55 PM   #54
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Originally Posted by chuckster57 View Post
Here is the email we got 12/15/2016
Attachment 21849

Clearly states thermistor should be on the 2nd fin from right 1/4 inch from top.
The 2118 has a Thermistor and a electronic temperature control (1-9). Changing the number makes a difference. What is the purpose of the thermistor?

I normally run on 5, 6 tends to freeze things up in the refrigerator. Our unit is 1018 miles south, so I can't tell you the position of the thermistor.
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Old 05-17-2019, 08:07 PM   #55
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The thermister is the measuring device for temperature. It provides the feedback to the control board to activate either the gas flame or the electric heating element to boil the gas and cool the fridge.
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Old 05-17-2019, 08:21 PM   #56
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The thermister is the measuring device for temperature. It provides the feedback to the control board to activate either the gas flame or the electric heating element to boil the gas and cool the fridge.
So the electronic temperature control is a variable resister in series with the thermistor to influence the input signal to the control board, thus adjusting the temperature up or down.
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Old 05-19-2019, 07:03 AM   #57
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With themister on second fin 1/2 from top and unit set at 7. Found it to be at 45 this morning. Per info i moved it to 1/4” from top and see what it does. Day before yesterday, I tried it in the center of the fin, it rose to 50. I still think something is wrong with it. As it should not take 36 plus hours to cool an empty fridge to 36. Don’t trust dealer to check or repair, may call a mobile repair company as someone suggested. But would rather do it myself if I could find a Norcold service manual.
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Old 05-19-2019, 07:16 AM   #58
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If the thermistor is unplugged from the control board, I believe it "forces" the cooling unit into full cool. I know it works on Dometic and we use it sometimes to quick check them. Don't remember if you can do it on a Norcold without getting a fault code.
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Old 05-19-2019, 07:24 AM   #59
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I did find a resistance temp chart and checked the thermistor per the chart and it seems within specs
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Old 06-11-2019, 05:46 AM   #60
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Seemed to keep temp on last trip. But after this trip we're not going anywhere until August so I shut fridge off. Will see how long it takes to get cold from the time I turn it on. Thinking about starting it two days before trip. What do the rest of you all do as far as when do you turn your fridges on before a trip? I think manual says, about 8 hours.
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