How to troubleshoot a dometic RV refrigerator

Written by patrick nelson
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How to troubleshoot a dometic RV refrigerator
Run the RV's engine if the Dometic RV refrigerator doesn't run in 12V DC mode. (rv image by Greg Pickens from

RV (recreational vehicle) refrigerators run using either gas absorbtion technology and/or household AC (alternating current) and vehicle DC (direct current) electricity. Problems with Dometic RV refrigerators can include the refrigerator not cooling sufficiently and the fridge not cooling in the various power modes. Following a few troubleshooting steps can rectify any issues.

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Things you need

  • Dustpan and brush

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  1. 1

    Level the fridge if it doesn't function properly. The RV's levelling system should be used when you're parked for any length of time. RV fridges, like many others, can only handle a few degrees of variation from level.

  2. 2

    Provide adequate ventilation if the Dometic refrigerator doesn't cool properly. The fridge needs an air gap between the ventilation grills, walls, back and top and any cabinetry. The more gap you can supply the better.

  3. 3

    Adjust the thermostat setting if the fridge is too warm or too cold. Try to avoid placing a large amount of warm food into the RV fridge at one time. If the fridge has been off for an extended period, it can take half a day for it to cool properly.

  4. 4

    Clean any accumulated dirt off the ventilation grills. Simply brush them with a dustpan-type brush.

  5. 5

    Run the RV's engine if the Dometic RV refrigerator doesn't run in 12V DC mode. Connect the fridge to a 120V household power outlet if it's not feasible to start the engine (some campgrounds don't allow running engines after a certain time).

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