Question about Dometic Rooftop RV Air Conditioner

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Compressor appears to kick in, runs for short time

On our RV air conditioner, when we put it to cool, fan starts and compressor appears to kick in; runs for short time then stops, and fan continues to run. After about 3-4 minutes, compressor seems to kick in again, runs for short time then kicks out. It just keep repeating this series again and again. Fan is always running. What can we check for?

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It sounds like your unit may have a bad run capacitor or start capacitor and relay. Low voltage will also cause this problem. First you need to make sure that you have the full rated voltages at the unit, if you do, then, have the run and start capacitors checked out and the start relay.

Posted on Jun 01, 2010

  • georges vouloukos Jun 04, 2013

    is this possible after only 2years

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