AC unit outside starts up with a buzzer sound

Old 06-15-11, 08:20 AM
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AC unit outside starts up with a buzzer sound

When my AC unit outside (payne) starts up, it sounds like a basketball shot clock buzzer going off for about 4 seconds, then melows out. A minute later the compressor starts up and becomes very noisy with a surging sound. Any idea what might be causing these symptoms? thanks
Old 06-15-11, 03:39 PM
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bad compressor, capacitor, contactor...... Could be anything.... You'll need to open up the outdoor unit and check things out.

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