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Old 05-11-2014, 08:59 PM   #1
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Refrigerator problems

We have a Dometic 2351 refrigerator in our 2013 Bambi. It seems to work okay on the propane but we have had problems with it staying cold when we plug into 120v. What are we doing wrong? We have checked the fuses and connections. Sometimes it will work and then shut off and not cool. The prior owner had changed out the thermostat so not sure it this has anything to do with it. Had someone come out to check it and of course it worked fine. Very frustrating to find food sitting in a too warm fridge.
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Old 05-11-2014, 10:00 PM   #2
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Sorry you are having fridge problems.

Since it works ok on propane, but not ok on electric, I would not think that it would be the tstat.

What is the warranty situation? Is it under warranty either from Airstream or Dometic?

Step one for me would be to go to Walmart and buy a remote thermometer for about $10. This will allow you to monitor the fridge temperature accurately without opening the door. I would monitor the fridge temperature over a couple of days of operation with it operating on propane then electric. I would record the temperature readings every few hours. You will need this info to help troubleshoot what the problem is.

I would then contact Dometic tech support and enlist their help in troubleshooting what the fridge problem is.

Good luck, Dan
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Old 05-11-2014, 11:17 PM   #3
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To the OP: I'm sorry that I don't have an answer for you, but I am interested in learning about the solution to your problem.

To the Forum: Is it possible this could be related to an owner-installed cooling fan off-switch and/or a replacement of the fan with a quieter/less-effective unit for noise-related purposes?
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Old 05-12-2014, 07:01 AM   #4
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I think it's your heating element that needs replacing. Costs about $40 and you can do it yourself if you're a do-it-your-self kind of person.
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Old 05-12-2014, 07:41 AM   #5
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Quote:
Originally Posted by kpatrick View Post
We have a Dometic 2351 refrigerator in our 2013 Bambi. It seems to work okay on the propane but we have had problems with it staying cold when we plug into 120v. What are we doing wrong? We have checked the fuses and connections. Sometimes it will work and then shut off and not cool. The prior owner had changed out the thermostat so not sure it this has anything to do with it. Had someone come out to check it and of course it worked fine. Very frustrating to find food sitting in a too warm fridge.
Your model is all controlled by the electronic circuit board. The thermistor (or what some would call the thermostat) tells the circuit board what the temperature is inside. This one thermistor work for both the gas or electric mode. So if yours workers well on gas mode the thermistor is not the problem.
So if it is cooling then not cooling on electric mode, you have three choices.
1. A loose connection where the heating element plugs into the circuit board.
2. A bad heating element. (yes they can work sometimes and not others).
3. A bad circuit board.

I would check the warranty for sure.
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Old 05-21-2014, 09:33 AM   #6
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Quote:
Originally Posted by kpatrick View Post
We have a Dometic 2351 refrigerator in our 2013 Bambi. It seems to work okay on the propane but we have had problems with it staying cold when we plug into 120v. What are we doing wrong? We have checked the fuses and connections. Sometimes it will work and then shut off and not cool. The prior owner had changed out the thermostat so not sure it this has anything to do with it. Had someone come out to check it and of course it worked fine. Very frustrating to find food sitting in a too warm fridge.

I'm sure you want to fix your problematic Dometic, but I highly recommend starting and running your fridg on propane for a couple reasons. First of all it cools faster (Usually within about 3 hours for me), and it seems to run cooler. It takes so little propane to run it that you never have to worry about consumption. I personally never use the electric and probably never will. Good luck!
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Old 05-21-2014, 10:09 AM   #7
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That's interesting. This isn't based on scientific testing, but I'm pretty sure the frig on our 23fb worked better on electric than propane. The frig would always warm up a couple of degrees when traveling. I was always comparing traveling with gas and stationary with electric. I never tried to leave it on propane when camping. Not sure about the frig in the new AS.
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Old 10-08-2014, 03:05 PM   #8
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I am experiencing similar problems with my 22' sport refrigerator. I think the problem is the electronic circuit board. I have had this problem before with another refrigerator and replacing the circuit board fixed it. Good luck.
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Old 10-08-2014, 03:38 PM   #9
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If you replace the circuit board order a Dinosaur Board as it is much
higher quality board that will last a lot longer.cost about $100.You can install in 15 mins.Most of the problems with later model Dometic's I have seen on this forum(including myself) the board has been at fault.
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