Question about Sub-Zero 650 / O Bottom Freezer Refrigerator

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Sub-zero 511 / bottom freezer refrigerator is not cold!!

My sub-zero refrigerator has stopped keeping anything cold. The freezer works fine???Help! What do I do? All my food has been spoiled!

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  • akash03 Dec 20, 2008

    My Sub-zero 511 Model# M816058 refrigerator has sat warm and then re-plugged in, but still will not stay cold! How do you check the thermostat for cooling; to make sure mine is not shot?

  • akash03 Dec 20, 2008

    Ok, I looked and the fan unit is not working. What do I do? I have no manual to this refrigerator. Can I take the screws off around the fan?

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When the freezer is plugged in do you hear the motor running? if so the cooling unit might have run out of free-on. if you don't here the motor then check for fuses around the motor and power supply. make sure that your outlet is working properly.

tom

Posted on Dec 20, 2008

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Ok since your freezer is worling this means that you have a circulation problem! The fan in the unit either froze up or the fan motor needs replaced!
)you must check fan to make sure it is working! Thaw with blow dryer if nessary!

Posted on Dec 20, 2008

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First try defrosting the fridge overnight, I know iit is a problem with the food but must be done, check also the thermostat settings.

Posted on Dec 20, 2008

  • Ginko
    Ginko Dec 20, 2008

    Check the the thermostat knob, verify that is turned to the proper setting.

    If the fridge is not cooling at all it is probably a faulty thermostat.

    If fridge instead has poor cooling and does not reach temperatures low enough, that is frequently because of a problem with the evaporator system. Check if there is ice inside the fridge, and on the coils at the back of the fridge. If you find ice the problem wiswith evaporator system, or the condenser.

    In this case try doing a complete defrost, and clean the dust from the condenser (unplug power first) using a hoover. The condenser unit is located at the back of the freezer on the lower side, remove dust in there and let the fridge do defrost.

    If this does not work call a technician.


  • Ginko
    Ginko Dec 20, 2008

    The thermostat assembly is controlled the temperature knob inside the fridge.

    See that temperature settings are OK, if not do defrost and call technician if this does not fix the problem, as you have faulty evap. system, faulty thermostat, or condenser/compressor problems.
    This is a more or less a resume of the siituation.

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