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57915.531 Air Conditioner- no fan or ac cooling

I got a duo therm that does heat and AC for my RV. I turn on the air and it seems like it is now draawing a lot of power (lights dim and then the comopressor stops) i went up to check the motor and the fan in there is not turnable really. it seems like the AC compressor gets runnin and then i semll kindof a burnt rubber smell up on the roof and then it just shuts off. it will then try to come back on in a few minutes and do it all over agian. any ideas?? how much aM i lookin at to fix this?

I appreciate your help very much!

Randy

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It sounds like the fan motor is siezed up. I would start by trying to locate a new motor for the unit. As to the who, where, or how much, I have not a clue. I deal primarily with residential, commercial and light industrial type units however, the concepts transcend across most all a/c equipment out there. If the fan outside won't turn, the unit can't get rid of the heat that it is picking up from the inside where it is doing the cooling. The heat and pressure will build up rapidly and cause unusual sounds, sometimes smells and always high amp draws (dimming of lights) until the compressor shuts off on it's internal thermal protection. When the compressor cools, it will try again and the cycle continues. Hope this helps you out some, but my main job is troubleshooting equipment that is right in front of me. I do the best I can here. Thanks, Chillmaster

Posted on Jul 29, 2008

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