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Old 07-28-2011, 08:33 AM   #16
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Just had Compressor Replaced, but problem


The Tech came out yesterday and checked the pressure. He was here about 45 minutes with the gauges hooked up and said everything looked good, but he didn't stay long enough for the compressor to cut off. It cut off a little while after he left.

He came back today and replaced the dual capacitor. Old one was 40uF, he said it should be 45uF. The old one had been in there for around a year(replaced by a different company).

So, hopefully this will fix the problem, what do you guys think?

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Old 07-28-2011, 12:56 PM   #17
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Just had Compressor Replaced, but problem


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Originally Posted by Fisher252 View Post
The Tech came out yesterday and checked the pressure. He was here about 45 minutes with the gauges hooked up and said everything looked good, but he didn't stay long enough for the compressor to cut off. It cut off a little while after he left.

He came back today and replaced the dual capacitor. Old one was 40uF, he said it should be 45uF. The old one had been in there for around a year(replaced by a different company).

So, hopefully this will fix the problem, what do you guys think?
Pressure alone will not tell you if charge is correct. Did he measure superheat and/or subcooling? I don't know for sure, but do not believe increasing the capacitance 12.5% amounts to a hill of beans; however, you are supposed to stay within 10% so the tech was right to replace it. Now, if you had a 30 or 35uF and the compressor called for 45uF it would be different. Of course it is possible that your compressor was overheating at 35uF, but I guess you will find out. I would add to what others have already said. You should do your best to find out why the original compressor failed.


Last edited by artbuc; 07-28-2011 at 01:14 PM.
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