Question about Dometic Rooftop RV Air Conditioner

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Freezing up The exchanger that provides the inside cool air is freezing up. It looks like the thermo couple came loose - it looks like it simply pushes between the vanes of the exchanger to detect how cold it is and allows the unit to cycle - before I put it there, I wanted to be sure that it doesn't mount somewhere else that I can see.

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That would be the bulb for the exspansion valve and should be strapped to the copper where it exists the coil...
But that is probably not why it is freezing up....
That is more likely caused by a slow leak that has the unit undercharged or a bad air flow...often caused by a plugged coil or air fliter...

Here is a tip for other things you can check....

Air Conditioner Trouble -Review the Possibilities


Posted on Jul 30, 2010


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