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? If the compressor no pressure change is made, you should then seek a trusted, licensed professional in the HVAC field. The HVAC tech can determine if the compressor has shorted out or grounded. Let's us see compressor of the outdoor run.

? We must determine the compressor is running in the outdoor unit. Even if the fan is running in the outdoor unit, the compressor may not be. Most compressor make a "compressor whine" when running, which is a low gutteral noise unlike the whoosing air sound of just the fan.
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