My c/a has been running fine, but it makes a few second grinding noise right before it comes on and right before it goes off. The unit itself is only 2 years old, but my furnace is pretty old. Is this something I should be concerned about.
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My c/a has been running fine, but it makes a few second grinding noise right before it comes on and right before it goes off. The unit itself is only 2 years old, but my furnace is pretty old. Is this something I should be concerned about.
Sounds like it is getting liquid back at the compressor, or the unit is over charged
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