Dometic Fridge Help - Fiberglass RV


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Old 06-16-2014, 05:37 PM   #1
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Dometic Fridge Help

Hello All,

We have a boler with with Dometic 2-way fridge(110v/propane) Model #23a prod # 9263507 that works by making frost on the coil in the freezer but does not seem to keep the entire fridge cold. Would this be an insulation issue E.G needs to be removed and re-insulated???

Please advise if you know about these appliances.

Thanks so much
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Old 06-16-2014, 07:01 PM   #2
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I don't know about your model, but several years ago we had similar problems and took the trailer to a dealer who had it fixed in less than a day. I was told they had to "burp" the refrigerator which if I remember correctly involved turning the unit upside down for a few hours, then reinstalling and waiting a few more hours before turning the unit back on. You would have to ask a professional before doing this yourself.
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Old 06-16-2014, 07:09 PM   #3
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Thanks J.R. Interesting!
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Old 06-17-2014, 10:29 AM   #4
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Is the thermistor in the correct position?
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Old 06-17-2014, 10:45 AM   #5
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I will get hubby to double check that Tim. He's that handy one.
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Old 06-22-2014, 01:13 PM   #6
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I have a Dometic 211 that was having a similar issue when run on propane (didn't experience the issue on 110v). Despite running for up to 8 hours, the temp in the fridge wouldn't drop below 50 degrees.

Yesterday, I pulled the jet, soaked it in alcohol and then blew compressed air through it. I also cleaned the burner, the connections on the thermocouple and the flue, then used a wire brush to lift old dirt/dust from the coils and fins and blew compressed air over those as well.

Performance is instantly better. Within about 6 hours, I was able to drop the temp from 70 degrees down to 33 and it was still headed in the downward direction when I shut the fridge off at that point.

I'm also going to be picking up one of these little battery operated circulation fans, which others have stated speeds the cooling process considerably.

In summary, your fridge may just need a good cleaning. Seems to be all mine was in need of.
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Old 06-22-2014, 01:49 PM   #7
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Originally Posted by Pete and Kathy C View Post
that works by making frost on the coil in the freezer but does not seem to keep the entire fridge cold. Would this be an insulation issue E.G needs to be removed and re-insulated???
The frost makes it sound like it is working. These fridges take a lot longer to cool than the ones at home. There are many threads on adding fans inside and outside, venting and "almost good venting" plus insulating your fridge to improve efficiency. All good things to look up.
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Old 06-22-2014, 04:39 PM   #8
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Smile awesome

Great info kellyben. Hubby is going to remove the fridge and give her some good TLC with hope it will work optimally again. :-)
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Old 06-24-2014, 12:03 PM   #9
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Wondering if I can tag a question here regarding the Dometic 211. I was advised by the PO not to run our fridge on propane due to it's age and a friend of his said "With the age of these things its ill advised to use it on Propane in case of leaks.

So, can anyone tell me where I can leak test the 211 to know if it IS safe to run on propane? I know so little about these things.

It doesn't work on 110v so propane is my only option as it's not connected to 12V.

Thanks so much!
Richard
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Old 06-24-2014, 12:22 PM   #10
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Originally Posted by IslandBlue View Post
Wondering if I can tag a question here regarding the Dometic 211. I was advised by the PO not to run our fridge on propane due to it's age and a friend of his said "With the age of these things its ill advised to use it on Propane in case of leaks.

So, can anyone tell me where I can leak test the 211 to know if it IS safe to run on propane? I know so little about these things.

It doesn't work on 110v so propane is my only option as it's not connected to 12V.

Thanks so much!
Richard
Richard, The gas in the fridge is ammonia, with traces of hydrogen. I don't believe there is a danger of combustion. I have never heard of a leaking fridge causing any problems, other than a non working fridge. There are probably thousands of RM211's being used today. The PO was over cautious.

If it works, use it.
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Old 06-24-2014, 12:43 PM   #11
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Originally Posted by IslandBlue View Post
Wondering if I can tag a question here regarding the Dometic 211. I was advised by the PO not to run our fridge on propane due to it's age and a friend of his said "With the age of these things its ill advised to use it on Propane in case of leaks.

So, can anyone tell me where I can leak test the 211 to know if it IS safe to run on propane? I know so little about these things.

It doesn't work on 110v so propane is my only option as it's not connected to 12V.

Thanks so much!
Richard
The age of the fridge doesnt really matter - its whether or not your propane fitting are leaking or not and that can happen on new fridges and stoves as well. Also the condition of the burner should be checked. Checked for leaks or take it to an rv shop and have them check all your propane fittings - which should be done reqularly anyways.
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Old 06-24-2014, 12:46 PM   #12
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Great advice, thank you! Good to know age not so much the concern, but rather the fittings themselves.

Cleaning burner best down with wire brush, or low-grit sandpaper?


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Old 06-24-2014, 01:06 PM   #13
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Richard if you go to the Documents Center on the home page of this list you will find service manuals for many different types of fridges to download. If you can't find one for your model just down load another of similar model as the servicing on them is pretty common to all of them.
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Old 06-28-2014, 06:40 PM   #14
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This is all such great advise. Thanks for mentioning the documents section as I didn't know it existed. Cheers!!
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