Question about Dometic RM2652 Refrigerator

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The fridge is blowing the 12 volt fuse as soon as I power up the motor home, The fridge is turned off and it still blows the fuse, I tried to undo the 2 wires that go to the 12 volt block on the fridge and turned the power on to the motor home and it does not blow the fuse and eveything workes fine that is on the fuse example, the stove light,fan,outside light are all on the same fuse, And everything works as long as I have those 2 wires disconnected as soon as I hook up those 2 wires it just blows the 20 amp fuse every time, If you have any solutions that would be great,Thanks Shane

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Unplug the wire located at terminal J4 (12v positive) on the control board, and see if you are still popping fuses. If so, then the fault lies between the wire you just removed and the fuse that keeps blowing.

If the fuse holds, and blows when you plug the wire back onto J4 terminal, then unplug the wire(s) at J2. These go to your door heater (used in humid conditions to remove condensation), as well as the interior light. The switch for the door heater is located on front panel, or is at the top edge of the freezer compartment with door open. It is not unusual for this switch to have issues since it gets chilled and moisture condenses on it. If unplugging the wires at J2 allows the fuse to hold, you probably got a shorted heater or bad heater switch. But, pull the lens off the interior light, and check the contacts there as well.

If the fuse still blows with J2 removed, then unplug the connector in the top left corner of the control board. This goes to the control panel on the inside of the fridge. If the fuse blows, replace the control board. If the fuse holds, the replace the control panel.

Posted on Jul 18, 2010

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