Trouble with Central A/C Unit

Old 05-24-12, 01:50 PM
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Trouble with Central A/C Unit

Unit clicks on and runs for about 30 seconds,then clicks off. I noticed the breaker box attached to the wall beside the unit was humming while unit was running. Any ideas?
Old 05-24-12, 07:00 PM
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Most likely low on charge and is cycling on a low pressure limit. You need to call a pro.

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