Question about Sub-Zero 642

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My sub zero 642 just starting making a humming

My sub zero 642 just started making a loud humming sound in the freezer. When the door opens it stops, what could be causing this?

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I know this sounds so stupid but I see this sort of thing at least once a week it's vibrating on cab. Or the main thing is a bolt came loss and when you open the door it aplies weight down and it will make the bolt or nut vibrate being a sub zero it could be the compresser on top or the trim or the cabinet virating on back of shell. Hope this helps

Posted on Apr 29, 2010

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It is your evaporator fan. When the door opens power is cut to the fan motor.

Posted on Apr 29, 2010

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please rate ..

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I would never get rid of my Sub Zero they are the best made and, I service all makes of refrigerators good for you; buying the best!

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