Sub-Zero 650 / O Bottom Freezer Refrigerator Logo

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Posted on Jul 05, 2010
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I have a Sub Zero 650 and the freezer is working just fine, but yesterday the refrigerator part started acting up. It just will not hold a cool temperature. It will warm up to 55-60 degrees, and then the compressor will kick on for a few minutes lowering it to 48-50 degrees, and then it will shut off. This morning I opened up the top to vacuum out the condenser, and I noticed that the compressor was very hot and the evaporator coil?? (copper oil at the top of the compartment) was iced over. I turned the unit off to let the ice melt and the compressor cool down, and then I fired it back up again. Unfortunately this didn't fix anything and I am still having the same problem. Can you please help me?

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  • Master 1,284 Answers
  • Posted on Jul 05, 2010
Shehu Pro
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Hi, from the detail explanation you made above concerning the refrigerator, the freezer works fine and the fridge is not cooling means that the thermostat in the fridge is faulty.
Concerning the kicking of the compressor, it's sounds like an "overload and relay" on the compressor.
This is the equivalent to a starter on a car. When they go bad, the compressor just does a "buzzzzz.. click" for some seconds or minutes. In the worst case, you may have a bad compressor, but this is less common.

Take care

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