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master_of_universe  
#1 Posted : Monday, August 17, 2020 6:53:56 PM(UTC)
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master_of_universe

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So 10 days ago, I noticed that our refrigerator was not cooling enough. After some trial and error, I figured out that when I close the freezer door, the cool air stops flowing in the refrigerator area. I unplugged the refrigerator and called a technician.

The technician showed up about a week ago. However, I had turned on my refrigerator a day before his scheduled visit. Oddly enough, it was working fine. After his visit and inspection for close to an hour, the technician concluded that the compressor is coming on and off and need to be replaced. He left and placed the order for the parts. It'd take 10-15 days or so to the parts to arrive.

However, I have left my refrigerator ON ever since and it's working as normal. No odd noises of any kind and the temperature stays appropriately both in the refrigerator (38) and feezer (-1). So as I am yet to see a problem in last 5 days or so, I am starting to think that he may have misdiagnosed the issue.

What do you guys think? Is it possible for a refrigerator with a bad compressor to operate for days without any problems?
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#2 Posted : Thursday, May 6, 2021 12:05:42 AM(UTC)
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How do you know if your refrigeration compressor is bad?

electrical parts


The winding of a variable frequency compression motor is similar to that of a three-phase motor, and the winding resistance of the three terminals of the compressor is the same.

Mechanical parts


For example, suppose the compressor operates but does not compress. In that case, it means that the internal valve of the compressor is faulty (not repairable), and the mechanical part of the compressor is stuck.

Variable frequency compressor

Generally, there is no cylinder sticking phenomenon because it has more independent starting windings than the constant frequency compressor, and it does not need capacitance to start. It can operate at an ultra-low voltage and ultra-low speed.
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