Central AC Low side is 500 PSI

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  #1  
Old 06-03-19, 08:52 PM
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Central AC Low side is 500 PSI

Just turned on my Trane central AC and it's broken. When compressor's On, Low side jumps to 500 PSI and High side is a reasonable 225 PSI. When compressor turns Off, Low side drops to a reasonable 53 PSI & High side stays the same.

Evaporator coil is nice and cold at bottom. But top 2/3 is warm.

Any help on where to start looking ??
Thank you- Mark A.

 
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Old 06-04-19, 02:40 AM
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Due to certification requirements we don't discuss a/c system repair here.
 
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