Question about Sub-Zero Bottom Freezer Refrigerator

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Sub zero 550 from 1989, the fridge will not stay cold enough.

It does not get below 40-42 degrees.

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  • Gene Strote Jul 10, 2010

    Freezer or fridge?

  • ldeangelis64 Jul 10, 2010

    fridge

  • ldeangelis64 Jul 10, 2010

    i had a repair man look at it. he cleaned the fan and compressor, which was VERY hot and said it needed "freeon?". it is now colder than it wa when he came(48 degrees) but not cold enough.

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  • Sub-Zero Master
  • 43,501 Answers

Hi,
There are a few reasons why the refrigerator part will not cool...here are a couple of tips that will help you to figure out why the refrigerantor is not cooling...

Refrigeratorsub zero 550 from 1989, the fridge will not stay c - 2_bing.gif not Cooling or Fridge not Cooling
http://www.fixya.com/support/r3662945-refrigerator_not_cooling_or_fridge_not

How to Defrost Refrigerator Defrost Timer Problem
http://www.fixya.com/support/r3771673-defrost_refrigerator_defrost_timer

heatman101

Posted on Jul 12, 2010

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Posted on Jan 02, 2017

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1 Answer

My Sub Zero 550 model seems like it is running all the time. It is too cold in the refrigerator compartment,and the condenser fan runs constantly. Adjusting down the temp control has no effect. Freezer...


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There can be many reasons why your refrigerator is freezing your food. To see what could be happening and to figure out how to possibly fix your problem. Take a look at this tip which contains many of the causes and solutions to fix the problems.



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heatman101

Dec 15, 2010 | Sub-Zero 650 / O Bottom Freezer...

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Fridge does not stay cold but the freezer works


Hi,
There are a few reasons why the refrigerator part will not cool...here are a couple of tips that will help you to figure out why the refrigerantor is not cooling...

Refrigerator2_bing.gif not Cooling or Fridge not Cooling
http://www.fixya.com/support/r3662945-refrigerator_not_cooling_or_fridge_not

How to Defrost Refrigerator Defrost Timer Problem
http://www.fixya.com/support/r3771673-defrost_refrigerator_defrost_timer

heatman101

Jul 19, 2010 | Sub-Zero 650 / O Bottom Freezer...

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Sub zero 532. freezer works fine --0 degrees. fridge wont get below 50 degrees. cleaned condenser fins- still no decrease in temp


check the fan that runs between the freezer and the fridge --check fan for ice blockage -debris-or damage / clean or clear blockage --if not running test wiring and connections as well as motor /repair or replace //also check fan damper is not frozen or blocked its flap that opens and closes for air to flow //----ur fridge side is cooled from the the freezer side the cold air is blown in from the freezer if fan or damper is not working correctly than fridge is usually warm and freezer is working properly

Jun 28, 2010 | Sub-Zero 690 Side by Side Refrigerator

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Refridgerator does not get cool enough


Buttom freezer Sub Zero. Replacing evaporator for fresh food section.

Mar 31, 2010 | Sub-Zero Bottom Freezer Refrigerator

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My refrigerater temp won't go below 55 degrees. Is there something to try befroe bringing the repair man out? The freezer seems to work fine.


The air door "cold control" may be obstructed or the air return may be obstructed. The air return takes the air from the refrigerator section and delivers it to the coil. It must be clear for the fridge to operate properly. The cold control is just a door flap that opens and closes and allows cold air to enter that part of the cabinet. Open the cold control more and see if that helps. You should feel more cold air coming from it. If you don't then there's an obstruction.
If you have a thermometer that goes below zero, place it in the freezer. It should read 0 to -5 degrees f. If it doesn't then there may be another problem.

Jul 08, 2009 | Sub-Zero 611 / O Bottom Freezer...

1 Answer

Sub Zero isn't cold enough


Sounds like it might just be a simple as a dirty coil. Use a coil brush (you can get at homedepot)

cdda64b.jpg Clean the dust and from the back and bottom of the fridge. The coils pickup alot of dust over time making the fridge become ineffecent. One some subzero units your condenser coils are on top. Use the brush in conjuction with the vacuum to get it clean and watch your fridge for a hours to see if that helps before you call a repair tech out. Make sure you unplug the fridge when your doing this.

Jan 29, 2009 | Sub-Zero Bottom Freezer Refrigerator

1 Answer

Freezer not cold enough; fridge OK


Hello cokoliso,
Welcome to Fixya

You said, your Trio won't make ice. Freezer stays at about 25 degrees regardless of control setting. Fridge maintains 40 degrees at mid setting. Shouldn't the freezer be close to zero? Is there a way to check the temperature sensor in the freezer?

To check the temperature you can buy a refrigerator thermometer at the hardware store.
Ask if it can be used in the freezer too!

The fridge sounds slightly to cold and the freezer not enough.
Fist look in your freezer and check if the articles there are full to the max and covering the air vents usually found in the rear of the freezer.If so clear an opening for the freezer to breath.
Refrigerators and freezers usually share the cold air and I've seen this be the problem on many occasions.
If freezer was not I blocking the vents or even full to the max.

Then pull the plug out or if you can not reach the plug, trip the breaker off for 5 minutes and see if this resets the system.BUT do not plug the fridge back in before at least 3 minutes.

Let me know how it goes and send me any questions.
Thank You, Huuum
Please remember to leave a rating .


Oct 03, 2008 | Kenmore 73502 / 73504 / 73509 Bottom...

1 Answer

Sub-zero model#3211-rfd, side by side, freezer working fine, but refrigerator not cold enough, alwaus stays 40F, even i turn to the max.


Have you cleaned the coil? Pop the grate off the top of the fridge and vacuum the coil as well as the grate thoroughly.

J

Jul 30, 2008 | Sub-Zero Refrigerators

1 Answer

Sub zero 650 fidge holding at 53 degrees


Most likely you have a leak in the evaporator. Subzero warranties the parts for 12 years. Call them to find out what they will cover. They are agreat company and will be fair with you.

Jun 14, 2008 | Sub-Zero 650 / O Bottom Freezer...

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