RV Refrigerator NOT Cooling

by Chris
(Sioux Falls, SD)

Question: I have a dometic RM3662 refrigerator in my RV and it quit cooling this past weekend while we were camping. It doesn't cool on either gas or electric setting. I've checked all the fuses and they are fine. The gas and elec part of the fridge seem to be working normally (the pilot lights, etc). The indicator lights on the front (top) of the fridge are also operating normally (no check light, etc), temperature setting at "5" (coldest). I do not smell any "ammonia" type smells nor do I see any yellowish or greenish signs of leaks. At the back of the refrigerator, the coils for the coiling unit are not hot, not even warm. Do you think the cooling unit has gone bad or is it something else? Thanks for your help.


Robbie: If after 8 hours you have no heat in the pipes behind the refrigerator and your LP pilot is on (flame is on), then your cooling unit is bad and will need to be replaced. It is most likely what is call "blocked" and is not allowing the chemicals in the pipes to flow. I'm sure you've heard of pulling the refrigerator and turning it upside down for 24 hours and back upright for 24 hrs and then it might work. Realistically it might work for a while but odds are the blockage will return.

You now have to make a big decision. To replace the cooling unit will run about $800, so how old is the refrigerator and in what condition is the inside. Is the door falling off? Is the inside falling apart? Is the refrigerator worth the investment to repair? To replace a RM3662 will run you about $1500 installed.

Lastly, you also can replace your refrigerator with a household model that works on 110V only. But remember you'll never sell the trailer or motorhome for its value afterwards. It's a huge downgrade not having the LP option to cool the refrigerator.

Good luck,
Robbie

Comments for
RV Refrigerator NOT Cooling

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Jun 05, 2012
A leak in the broiler section of cooling unit
by: Dwayne

Can I repair a leak in the broiler section of the cooling unit without replacing the cooling unit?

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