Question about Dometic RM2652 Refrigerator

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EARLY 1990 model (RM2652). Camper in storage for

EARLY 1990 model (RM2652). Camper in storage for 2 years setting level. Now, refrig does not cool. However, when turned on, we found that the unit does heat up as we checked it through the outside pannel. Was told it could be a bubble in the system and to remove and roll it over to "burp" it. That did not solve the problem. Any ideas of what I can try?

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Your fridge might be suffering from a bubble, but is unlikely. I am more suspicious that insects (dirt daubers) have built nests on the cooling fins (at the upper rear) and air flow through the fins is being blocked.

Try switching your fridge to LP mode for a day, and see if your cooling performance increases. If so, take a look at the heater, try checking its resistance. Resistance should measure 44 ohms, +/- 10%. While you are checking for insects, also take a look around the burner area of the fridge. You are looking for a white or yellow residue. This would be evidence of a coolant leak, and the cooling unit would need to be replaced.

Given the time of year, air conditioners are being used heavily, including those in trailers. If you are using your air conditioner, and trying to use the fridge as well, make sure that your electrical cord is large enough. You want to use as short of an extension cord as possible, with as heavy gauge as possible (10ga minimum). If you are using an extension cord, or are plugged into an outlet that can't meet the current demands, that will cause voltage to drop. As voltage drops, heater (in the fridge) drops with it. If the output drops too low, there will not be enough heat from the heater to power the absorption cycle for the fridge.

Posted on Jul 14, 2010


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