Dometic RM2510 cooling issue (on electric only) - Escape Trailer Owners Community

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Old 07-10-2015, 07:39 PM   #1
ksb
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Dometic RM2510 cooling issue (on electric only)

This refrigerator works great on propane; we run on propane while traveling. However, when we connect to electric at a campsite, the refrigerator can't maintain the lower temp so the temp rises and then doesn't get much below 55 degrees. We eventually have to switch back to propane to maintain a lower temp. site is level, all checks indicate everything is fine.

Does it take an extended period of time for the refrigerator to work properly on electric even after it has been cooled properly for hours on propane?
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Old 07-10-2015, 07:42 PM   #2
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There is a separate electric heating element used when not on propane. You may need a new one.
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Old 07-10-2015, 09:01 PM   #3
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There is a separate electric heating element used when not on propane. You may need a new one.

I agree. The electric element is not as efficient as the propane at producing heat, but if the performance difference is that dramatic, the element probably needs to be replaced.
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Old 07-10-2015, 09:52 PM   #4
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What Charlie and Robert said.
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Old 07-10-2015, 09:59 PM   #5
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While it would be nice if it is a bad heating element because it is easy to replace, another possibility is the thermostat. Replacing the thermostat requires pulling the refrigerator & an $85.00 part (plus two hours of labor). I've had mine fail twice, once so that the electric element was always on no matter where you set the dial, and once so it was always off, no matter where you set the dial. Both times the refrigerator worked fine on gas...
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Old 07-10-2015, 10:05 PM   #6
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this is so weird....after returning home from camping, we plugged in the electric and it works! Put a meter on it, and it reads as it should when turning the selector....go figure..

thanks for your comments, we will check into replacing the element if this problem continues....

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I agree. The electric element is not as efficient as the propane at producing heat, but if the performance difference is that dramatic, the element probably needs to be replaced.
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Old 07-10-2015, 10:08 PM   #7
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will keep that in mind as another solution....thanks.

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While it would be nice if it is a bad heating element because it is easy to replace, another possibility is the thermostat. Replacing the thermostat requires pulling the refrigerator & an $85.00 part (plus two hours of labor). I've had mine fail twice, once so that the electric element was always on no matter where you set the dial, and once so it was always off, no matter where you set the dial. Both times the refrigerator worked fine on gas...
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Old 07-10-2015, 10:17 PM   #8
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this is so weird....after returning home from camping, we plugged in the electric and it works! Put a meter on it, and it reads as it should when turning the selector....go figure..

thanks for your comments, we will check into replacing the element if this problem continues....
I hate to point this out, but that is the way my second replacement thermostat started failing. There is a small lever that the diaphragm in the thermostat uses to push against the electrical contacts. Mine failed by sticking when the contacts opened after the refrigerator reached the set temperature. After that it would not close the contacts no matter what the diaphragm did. You have to destroy the thermostat to discover the problem, but I kept the old one to see why it failed.
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Old 07-11-2015, 12:52 AM   #9
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My fridge doesn't start when I turn it on no lights dead. Then later the light comes on but still won't start then later hour or so it starts and works fine. It's like it has to charge up but the trailer is plugged in and has been for weeks all other elect things working fine.
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Old 07-11-2015, 01:10 AM   #10
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My fridge doesn't start when I turn it on no lights dead. Then later the light comes on but still won't start then later hour or so it starts and works fine. It's like it has to charge up but the trailer is plugged in and has been for weeks all other elect things working fine.
Have you checked that all electrical connections are tight - they can loosed up from vibration. Otherwise I'd suspect the control board.
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