Question about Sub-Zero 642

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The tempature is set for 38 degrees, but the refrigerator is only at 47 degrees. Any ideas?

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Chartigan - had this problem with my 1998 642 about 5 years ago, and had to have the condenser coils replaced twice- because the refrigerant was leaking. warning signs are: temp is more than 37 degrees [ get a fridge thermometer to monitor], food seemed to spoil quickly, and frequent notices from the display bar to clean condenser . after cleaning it 3 times in a month, when i called the service center they said that warning actually means"call service center" - arrrggghh the manual sure doesnt say that! anyhow - just something to consider, and hope your problem is not this serious.

Posted on Aug 23, 2009

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Clean your condensor. Check for condensation or frost on back wall that may indicate a refrigerant leak. If cleaning the condensor doesn't work call for service. Instructions for cleaning can be found in your manual or subzero.com.

Posted on Aug 05, 2009

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It's more likely that the automatic defrost system is defective, or the heating wire for the defrost drain. It's also possible that the temperature controls are set too low. Try zero degrees for the freezer and 38 degrees for the refrigerator side. If that works without problems you might put the freezer at minus two degrees and leave the refrigerator at 38.
Another possible fix is to put a longer heating wire in the drain.

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Refrigerator Tip!


Don't set your refrigerator's temperature too low. The colder it gets the more it costs to run. Set the refrigerator's temperature to between 38 and 42 degrees Fahrenheit (3 to 6 degrees Celcius) and your freezer to between 0 and 5 degrees Fahrenheit (-17 to -15 degrees Celcius).

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If the dial is in such a format in your refrigerator, try a setting at 3 if the range is 1-5, and at 4 if the range is 1-9. For the freezer, a setting at C is suitable.
The ideal temperature in the refrigerator ranges between 34 - 38 degrees F or 1 - 3 degrees C. So that foods such as vegetables and fruits remain fresh and crisp, the temperature may be set around 38 degrees F or 3 degrress C.
The ideal temperature in the freezer ranges around 0 degrees F (-18 degrees C) or lower. See more at:
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The compressor is sweating bad and can't get temp down below 47 .the thermostat is set at 38 degrees and the compressor is charged to 37 degrees which is 34 psi.


Air Conditioner's primarilly use R-22 38 degrees R-22 is equal to 65 PSI

http://www.advantageengineering.com/fyi/289/pdf/advantageFYI289.pdf

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My GE Adora seams to be breaking down. Freezer is not freezing and temperature in both, Freezer and Refrigerator is dropping. HAVE reset the temperatures to GE's recommendation of 0 Degrees and 38...


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1 Answer

How to set fridge temp


    1. The first thing you must know is that your refrigerator should be set at 37-38 degrees. Anything at 40 or higher and you are risking food born illness (food poisoning) or spoiling your food. Place your magnetic thermometer in the refrigerator.

    2. Set your dial on your refrigerator to the second lowest setting. (If your refrigerator is already equipped with a digital thermostat, simply set it for 37 or 38 degrees and do not move on to the next step)

    3. After 2 hours, check your thermometer reading. If your reading is 38 degrees, there is no need to go higher and you are ready to put your groceries in. Be sure not to open and close your refrigerator during these two hours or your temperature reading will be incorrect.

    4. If your reading is higher than 38 degrees, move your dial up to the next coldest setting and repeat the steps every two hours until you reach the correct temperature for your refrigerator.

    5. Once you have reached the correct refrigeration temperature for your refrigerator, place the magnetic thermometer in the refrigerator permanently and watch for changes.

    Typically, your refrigerator temperature will need to be adjusted with the seasons, a higher setting in the summer and a lower setting in the winter.


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1 Answer

How to set a temperture


Hello,

By keep your refrigerator or freezer too cold, it unnecessarily wastes electricity. The recommended temperature is 37 to 40 degrees for the fresh food compartment of the refrigerator. The recommended temperature for the freezer compartment is 5 degrees. If you have a separate freezer for long-term food storage, it should kept at 0 to -5 degrees.

The following steps below is how to set the temperature of your refrigerator.

The first thing you must know is that your refrigerator should be set at 37-38 degrees. Anything at 40 or higher and you are risking food born illness (food poisoning) or spoiling your food.

Step 2
Place your magnetic thermometer in the refrigerator.

Step 3
Set your dial on your refrigerator to the second lowest setting. (If your refrigerator is already equipped with a digital thermostat, simply set it for 37 or 38 degrees and do not move on to the next step)

Step 4
After 2 hours, check your thermometer reading. If your reading is 38 degrees, there is no need to go higher and you are ready to put your groceries in. Be sure not to open and close your refrigerator during these two hours or your temperature reading will be incorrect.

If your reading is higher than 38 degrees, move your dial up to the next coldest setting and repeat the steps every two hours until you reach the correct temperature for your refrigerator.

Step 5
Once you have reached the correct refrigeration temperature for your refrigerator, place the magnetic thermometer in the refrigerator permanently and watch for changes.

Typically, your refrigerator temperature will need to be adjusted with the seasons, a higher setting in the summer and a lower setting in the winter.

Hope this helpout and take care.

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1 Answer

Tempature on fridge won't stay @ 38


might be freezing on the evaporator faulty defrost timer or drain is blocked water should run down back bottom tray

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