Hi i have RGE 400 lpg fridge freezer its 10 yrs old on my catering trailer and used daily. Its stopped cooling the fridge and freezer compartments but the pilot light is ok. the metal tubes at the rear of the fridge which i assume circulate the coolant are cold to the touch except for just above a piece that looks like the back box of an exhaust pipe on a car. from the top of this box for about 12

SOURCE: Dometic RM2652 Refrigerator Problem

Check the flu at the back is clean

SOURCE: AC,DC, gas RV fridge Dometic

You more than likely need to replace the control cable between the upper and lower board. It comes as a kit with the upper board. You can also do a bypass test by unplugging your thermoster from the circuit board. The thermoster is the temperature control for the refrigerator nothing to do with the freezer.
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SOURCE: camper fridge will not cool down(unsure of model)

ok firstly if you remove the element and give it 110v does it warm up if it warm up and still not making the fridge cold the propane chemicals are not right any more

SOURCE: Freezer working, fridge isn't.

It is possible that your cooling unit is failing due to a blockage. The solution used to cool starts at the top of the fridge and works its way to the bottom. If there is a blockage in the cooling unit it could produce the symptom you have explained.

Mark

• 704 Answers
• Posted on Jul 30, 2009

SOURCE: Just bought a tent trailer with a Dometic Fridge.

You need to make sure that you follow the manufacturer's recommendations for using the unit with each specific power source. It's important that you have the all switches in the proper position, based on what power source you're using.

Here's the manual for your model, save a copy and print it out and take some time to review the section #3 Operating Instructions on page 6.

http://www.alcovr.com/DATA/MANUEL/DometicRefrigeratorModelsRM2191&RM2193.pdf

Hope you find this helpful and will resolve your issue.