Question about Sub-Zero Bottom Freezer Refrigerator

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Sub zero fridge model 201R does not get cold. compressoe runs fine and is warm. Thermostat is good. noticed small green spots on copper line going to evaporator ciol. Could this be corrosion that made pinholes in the copper and freon escaped? How to test? How to replace?

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

SOURCE: Sub-Zero 532 not cooling

Simple think I guess - just pull down a little a plastic fan blade on motor shift it will produce a powerful air flow. Fan blade should sit pretty close to the shift end. ;)





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Posted on Jul 23, 2008

  • 1 Answer

SOURCE: sub zero freezer too warm

I believe the freezer has to get down to 7 degrees or lower for icemaker to harvest. Clean your condenser and blow it out. If that doe not fix it you will need service for sealed system

Posted on Oct 08, 2008

  • 56 Answers

SOURCE: sub zero fridge

You need to clean the condesor or the condensor fan has gone out. Call the factory at 800-222-7820 and they will send a new manual and instruct on proper cleaning of coils.

Posted on Jan 23, 2009

Sea Breeze
  • 4654 Answers

SOURCE: Sub-Zero 695s - plastic/rubber fridge door edge is warm

This is normal and is to keep door from getting moisture or sticking around door seal. You also can contact them at 1-800-222-7820
Sea Breeze

Posted on Mar 27, 2009

  • 82 Answers

SOURCE: 8 year old Sub-Zero model 690. Condensor coil leaking

When copper and aluminum are connected it cannot be welded, it has to be crimped. this is a problem that is not exclusive to sub zero, an all aluminum evaporator ( if it is in the refrigerator it's an evaporator) should resolve the problem nicely

Posted on Jun 18, 2009

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1 Answer

Why is my sub zero fridge model 590 warming up?


Hi fridges will warm up on the outside as they remove heat from the inside. excessive heat with not extreme cooling inside the fridge indicates a possible degridation of coolant fluid or a leak. as the motor tries to cool the fridge the thermostat inside stays on as the tempreture inside has not been reached. if you hear the motor/ pump continually running this will indicate a cooling problem.

May 28, 2014 | Sub-Zero Refrigerators

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What is causing my sub zero moled 590 , made in feb 93 to gradually warm up?


yeah vacuuming behind the fridge is a good start this will help the fridge preform better as when dust builds up on the condenser it will cause the discharge to be hotter than it should be making the cooling in the case not as efficient. i would start by removing the pannel in the fridge and seeing if any ice is on the evaporator

May 22, 2014 | Sub-Zero Bottom Freezer Refrigerator

1 Answer

My refrigerator is warm 72 and my freeze is 00. how to fix it.


You have to remember that sub zero has two independent compressors and evaporators so the freezer is fine. Focus on the fridge part. Here are some things you want to look at.
1) When you open the door, press the light switch and the fan switch, Does the fan run, it should.
2) Take the grate down that covers the compressors. The fridge is usually on the right as your looking at it. Is it running, hot or cold. If its running and hot, that's normal. If its hot and not running, you can tell by if its vibrating, you may have to turn the freezer off to prevent outside vibration. If its not running that means you more than likely have a bad compressor. If its cold and the fan inside didn't come on then the thermostat is bad inside the machine.

Jun 05, 2012 | Sub-Zero 611 / O Bottom Freezer...

1 Answer

I have a sub zero 650. Anything I put in my fruit/veggie drawer freezes and there is ice behind the drawer. It seems to be freezing around the tube behind the drawer and spreads up and out.


DEFROST PROBLEM
The evaporator coil behind the cover on the back wall inside the freezer(fridge) will ice up under normal conditions. Every 8 to 10 hours for around 20 minutes the defrost timer (or in most newer models the electronic adaptive defrost control) will turn the defrost heater on to melt the built up ice. There is a defrost thermostat which prevents the heater from overheating the freezer by breaking the heater circuit when the temp reaches close to 32 degrees F. The entire cooling system shuts off during the defrost cycle and starts back when the timer advances through the cycle.

If this ice is not melted it will continue to build up until the air can't flow over the coil to circulate the cold air through the freezer and into the fridge. The temperature change in the fridge is usually noticed first followed by the freezer.

If the defrost thermostat is bad, it can prevent the heater from coming on OR it won't turn the heater off when it gets too warm. It is clamped to the evaporator coil at the top to sense the temp. If it appears to be misshapen it is bad.
With an ohm meter it should show continuity when cold and none when warm.
You can also bypass(disconnect the two wires plugged into it and twist them together) the thermostat to see if the heater comes on then. If it does then you know the thermostat is bad and needs replaced.

The defrost heater is located on the evaporator. It is in a tube which is at the bottom and can also go up the sides of the evaporator. On some types you can see a burnt spot if it's bad. With an ohm meter it should show continuity from end to end when disconnected from the wiring in the freezer. You can also test the wiring for voltage when it's in the defrost mode.

If you have a defrost timer you can test it. It can be located under the fridge behind the kick panel on the front. Some are in the fridge with the controls at the top. You can turn the defrost timer till it clicks and everything shuts down. The heater should now come on. If it does, replace the timer because that means the timer is not running. If it doesn't, check the heater and defrost thermostat. Turn the timer again till everything starts back up to end the defrost cycle.

If you have an adaptive defrost control instead of a timer, replace it if the heater and thermostat test good. It is located in the fridge with the controls in some models and on the back in others.

Mar 30, 2011 | Sub-Zero 650 / O Bottom Freezer...

1 Answer

I have a Sub zero refridgerator 590, the refridgerator side is not getting cold, and it's icing up inside where the fresh foods are stored, yet the freezer is working fine. Please help


Hi,
The freezer coils are iced up and that is blocking the sir flow to the fridge.... You have a defrost problem and that is causing the refrigerator to be warm...

Check out these tips...they can help you figure out what is going wrong withyour refrigerator and why it is not cooling

Refrigerator not Cooling or Fridge not Cooling

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Refrigerator or Freezer not Cooling or Getting Cold
heatman101

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2 Answers

My sub zero refridgerator (freezer on bottom fridge on top) is cold on the bottom of fridge and warm on the top of the fridge. Any idea what is causing this. Items are also damp in fridge. We just vacumed...


the evaporator coil inside the freezer compartment is iced over and can't transfer cold air in thes condition,remove panel inside freezer on back side of freezer compartment and thaw it out with a hair dryer,then check the defrost heating element for continuity,if its open replace it,if its good, ,check the defrost control that powers the defrost heater

Jul 15, 2010 | Sub-Zero 611 / O Bottom Freezer...

1 Answer

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

1 Answer

Freezer is not cooling, refrigerator is not cooling enough when turned on max.l


The evaporator coil behind the cover on the back wall inside the freezer will ice up under normal conditions. Every 8 to 10 hours for around 20 minutes the defrost timer (or in most newer models the electronic adaptive defrost control) will turn the defrost heater on to melt the built up ice. There is a defrost thermostat which prevents the heater from overheating the freezer by breaking the heater circuit when the temp reaches close to 32 degrees F. The entire cooling system shuts off during the defrost cycle and starts back when the timer advances through the cycle.

If this ice is not melted it will continue to build up until the air can’t flow over the coil to circulate the cold air through the freezer and into the fridge. The temperature change in the fridge is usually noticed first followed by the freezer.

If the defrost thermostat is bad it can prevent the heater from coming on OR it won’t turn the heater off when it gets too warm. It is clamped to the evaporator coil at the top to sense the temp. If it appears to be misshapen it is bad.
With an ohm meter it should show continuity when cold and none when warm.
You can also bypass the thermostat to see if the heater comes on then. If it does then you know the thermostat is bad and needs replaced.

The defrost heater is located on the evaporator. It is in a tube which is at the bottom and can also go up the sides of the evaporator. On some types you can see a burnt spot if it’s bad. With an ohm meter it should show continuity from end to end when disconnected from the wiring in the freezer. You can also test the wiring for voltage when it’s in the defrost mode.

If you have a defrost timer you can test it. It can be located under the fridge behind the kick panel on the front. Some are in the fridge with the controls at the top. You can turn the defrost timer till it clicks and everything shuts down. The heater should now come on. If it does, replace the timer because that means the timer is not running. If it doesn't, check the heater and defrost thermostat. Turn the timer again till everything starts back up to end the defrost cycle.

If you have an adaptive defrost control instead of a timer, replace it if the heater and thermostat test good. It is located in the fridge with the controls in some models and on the back in others.

Nov 16, 2009 | Sub-Zero 632 / S

1 Answer

Sub-Zero 695s - plastic/rubber fridge door edge is warm


This is normal and is to keep door from getting moisture or sticking around door seal. You also can contact them at 1-800-222-7820
Sea Breeze

Mar 27, 2009 | Sub-Zero 695/O Side by Side Refrigerator

3 Answers

Sub Zero Model 680 - Light in Fridge and Control Panel out


Try wiggling light switch side to side kinda hard, (the light switch is the one on the left) it should come on, showing you its a bad lt. switch.if that fails install 1 new 40watt,(long) appliance bulb. but it is going to be the switch or the bulb considering there wasn't any wiring work done on unit. part# for the light switch is 3060140 make sure the back of the switch is white not black (black is a fan switch) Good Luck !!!

Sep 01, 2008 | Sub-Zero 680 / F

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