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Trane XL13i outside unit: fan won't come on, unit has loud 60 cycle buzz. I replace the starter capacitor, but no help. What should I look for next?

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  • michaelp7xd Jun 16, 2010

    I replaced the fan motor, but no good. I checked the contactor, and found that it kicked on but there was no voltage across the contacts. I discovered that a bunch of ANTS had crawled their way into the contactor, and the 240VAC fried them onto the contacts pretty well. After buying and replacing the starter capacitor and fan motor, it turned out that all I needed was to clean and file down the contacts on the contactor. AC runs like new now!

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Sounds like a bad motor winding.

Posted on Jun 02, 2010

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