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Sub-Zero 700 TC refrigerator compartment too cold

Sub-Zero refrigerator too cold

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3 replies to this topic

#1 hrdlyhuman

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Posted 26 January 2015 - 11:21 PM

I have a strange issue where the refrigerator compartment in my Sub-Zero 700 TC is being chilled to less than 10F.  The control unit has it set at 38F.  There are no error codes, and the thermistor's are reading the correct temperatures in diagnostic mode.  Does anyone have any suggestions?  



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#2 hrdlyhuman

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Posted 26 January 2015 - 11:44 PM

I should also add to this, I turned the unit off at the control panel when this happened, and the next morning everything was still frozen, which strangely makes me think the compressor is still running, even when off.  When I shutdown the fuse, everything eventually warmed up. 

 

All of this really makes it seem to me like it is a faulty control board, but, would it be normal for that to go bad without throwing any error codes?  It is also ONLY the refrigerator compartment that is having the issue.  The freezer temperature is normal.



#3 woftam

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Posted 27 January 2015 - 07:54 PM

Sounds like relay for ref section is stuck closed. Need serial number.
There is a huge difference between 10 years experience and one years experience ten times over.

#4 hrdlyhuman

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Posted 27 January 2015 - 08:01 PM

I ended up turning it back on today, after having left it off for over 24 hours, and as of now, it seems to be regulating temperature perfectly again.  The serial number is M2051900, but, I guess for now I should just monitor it and see if it is resolved.  







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