Question about Dometic Rooftop RV Air Conditioner

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PROBLEM WITH DOMETIC RV ROOFTOP AIR conditioner

Air cooling stopped abruptly. Compressor not kicking in. Have replaced the compressor capacitor and the overload switch mounted on top of the compressor. Still not working. AC is model 8333B671 13.500 btu about 4 years old. Any other suggestions. Fan is working and the temperature control swith works with the heat switch element and seems to be working properly at least on the heat cycle.

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Check at the compressor terminals between the Red and the terminal for the overload protector to see if you are getting power to the compressor on startup.

Posted on Jul 24, 2008

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Take it with you to a local Hvac supplier to get a proper replacement.

Good Luck!

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If you can hear compressor try to start, then kick out, then I'd say capacitor needs replace, but if you don't hear anything (moan or groan) from compressor, then I'd be looking at a new relay, or at least testing it.

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