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Tfx22zfb Cooling Circulation

GE TFX22ZFB side by side refrigerator. In freezer compartment defrost heating element is at bottom of evap. section with cooling coils above. At the top is the evap fan. A panel covers the coils which ducts the air flow over them. Freezer section has two ports (one at top & one at the bottom) into the refrig section. The bottom allows circulation into or out of a Meat crisper and then vents into the main refrig compartment. The top vents into the cooling control panel then into or out the refrig.compartmt. At present, the evap fan pulls air from the bottom of the freezer section thru the fan blades and then has to possible routes (the first back into the freezer section and the other thru the upper port to the control panel). Very little air flow can be detected into the frig. section. ? What is the proper air flow direction??? Refrig was purchased from used appl dealer several years ago but tenants have periodically complained about refrig not keeping refrig section cool enough. Note: I am aware of setting to manipulate the cooling process. 1. Freeze up not the problem. 2. Port restriction between sections not problem. 3. evaporator cooling ok. 4. evaporator fan works great. a. Heating coil between door panel seem a bit hot. Can't find the energy saver switch. Thanks for any knoeledge.

Posted by Anonymous on

6 Suggested Answers

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Posted on Jan 02, 2017

aborcass
  • 2651 Answers

SOURCE: kitchenaid ksrj25cnst refrig does not cool but freezer is fine

sounds like you have a defrosting iss\ue here, ther is aduct on the left sideof refig wall perhaps 3/4 the way down usually behind one of the crispers its frozen over with ice not allpwing fresh food air to properly circulate, l;ook to the bottom of your freezer on the back wall is there ice on the panel?? if so your not deforsting properly there satech sheet underthe kickplate showing basic wiring and trouble shoooting guide as well

Posted on Apr 06, 2008

tborn6
  • 700 Answers

SOURCE: refrigerator/freezer not cooling evenly top to bottom

good then go ahead and ohm out the sensor and the relays to see if the resistance is close to the normat. 70 degrees is roughly 1000 ohms. relay you are lookling for continuity or open. then you can also ohm the fan motor too. let me know what you find;.that will determin whts bad and whats good

Posted on Dec 26, 2008

SolutionGuy
  • 331 Answers

SOURCE: refrig. section not getting down to proper temp.

Hi Ron,
That was excellent description of the problem! Nice diagnosis, too!

The Adaptive Defrost Control board is located in the control section. It's part # is 4388932. I made this little diagram for you to assist you in gaining access to it.
6ca50f7.jpg

Let me know, if you have any trouble, OK? Otherwise, don't forget to rate this solution and thanks for using FixYa!

SG

Posted on Apr 03, 2009

garing
  • 998 Answers

SOURCE: freezer works great, but refrigeration section stopped working

you might have a defrost problem. Frost free models have a heating element that is controlled by a timer to automatically defrost ice, defrost timer turns on defrost heating element every 12 hours to melt ice in freezer and allow good air flow.
You can test defrost element with an ohm meter(located inside freezer coils-will have two wires going to a plug connection), if OK replace defrost timer (located in various places depending on make and model

Posted on Aug 25, 2009

  • 15 Answers

SOURCE: Freezer works, frig does not. Also ice build up in freezer coil

I just worked on a FF801W which is supposed to be very similar. The defrost heater in mine was of the glass tube type and located under the evaporator. There was a bimetal thermostat clipped to the top of the evaporator and a thermal fuse (sealed in a clear plastic tube) nearby. The connections were behind a little plastic cover (2 screws) in the back wall just above the evaporator.

Mine was iced up like yours and I had to defrost it with a hair dryer. All the defrosting parts in the freezer compartment turned out to work so I now suspect the defrost timer (down by the compressor). I've marked it and I'm waiting to see if it's turning.

Posted on Dec 15, 2009

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Hotpoint Future fridge freezer - freezer working well but top of the back of the fridge has a large build up of ice ??? And doesn't appear to be keeping the food cold enough


here are lots of things that can cause cooling problems. One of the most common causes of poor cooling in a frost free refrigerator is a defrost system failure. In such a case one or the other compartment may appear to be keeping proper temperature but that too may change in a short period of time. The fridge compartment's temperature rise is usually (but not always) the first to be noticed. Frost" and "Ice"
There is a difference between "frost" (a white, snow-like substance) and "ice" (usually clear and solid). When referring to what is seen during an inspection, please keep this distinction in mind as the possible causes for each are often very different. The Defrost System
Inspecting the (usually rear) wall of the freezer compartment for a frost build up is necessary. (In the case of many GE top freezer models, check the freezer's bottom panel.) If there is a frost coating on it, it is often a sign of excessive frosting beneath it. Sometimes however the evaporator cover panel will actually need to be removed (see the illustration below) before an excessive frost build will visible.
The refrigeration system's evaporator (cooling) coil is usually in the freezer compartment. This evaporator will periodically frost over and have to be defrosted by means of a heating system. When the defrost heating system fails, the frost can accumulate to such a degree that airflow throughout the appliance is hampered. There may be just enough air circulation to cool the freezer section but that will eventually stop too.

Sep 28, 2016 | Hotpoint Refrigerators

Tip

Refrigerator not cooling-freezer section icing up


Refrigerator not cooling, ice forming on back of side-by-side freezer:
Turn off unit. Empty freezer section. Remove freezer back panel (4 screws) to expose iced-over coils. Use a fan to speed up defrosting. Put a towel or a plastic drip pan in the bottom of the freezer to collect melting water (rather than letting the water collect and maybe overflowing in the drip pan underneath the refrigerator).
After defrosting, by temporarily replacing the freezer back panel and turning on the unit, the refrigerator may operate OK for about 3 weeks before the next excessive ice build up.
Possible problem- a burned out Defrost Heater.
To check: After defrosting, turn off power to or unplug the refrigerator.
Unscrew the Defrost Heater bracket (2 screws). When loose, unplug the two wires connected to the unit. Have the unit checked, or use an ohm-meter to check continuity. If unit measures "open", high resistance, replace the Defrost Heater and bracket. If the heating element shows continuity (or low resistance) the heater is probably OK and you have another problem. Now you may need to contact a repair man.

on Jul 06, 2009 | GE J Series 18.2 cu. ft. Top Freezer...

1 Answer

Where is the defrost heating element


Freezer side at the bottom and maybe middle of evap coil. Need to remove screws to access

Jan 20, 2013 | GE J Series 18.2 cu. ft. Top Freezer...

1 Answer

G.E. Bottom freezer evap drain keeps freezing up and ice build up stops fan so no cooling in fridge compartment. How can this be solved?


When the freezer section gets cold and reaches its required cooling temperature, after that the frost on freezer section starts defrosting and the cooling fan in the freezer section blows this cool air from freezer to fridge. But if the defrost cycle does not start then over ice will get collected on freezer ventilations and that will block the air passing section from freezer to fridge, so the freezer gets cool but fridge section does not cool.Its defrost problem. Try manual defrost by unplugging the refrigerator from main power outlet for 24 hours then reconnect it and check, if the same problem is noticed again,. If yes then its defrost board problem. The defrost board located in the back of fridge section. You can get required parts from www.repairclinic.com or from online sears part site. ------------- Thank you.

Feb 22, 2011 | Refrigerators

1 Answer

Freezer working but no cooling in the bottom cabin


There is something blocking the cold air from the freezer from reaching the refrigerator compartment. Since you mentioned frost in the freezer section, I can assume that the defrost circuit has failed. This circuit is made up of a defrost timer/module, heater and thermostat. I can't determine whether you have a defrost timer or module since you did not supply a model number.

What you need to do is to unplug the refrigerator, empty the freezer and remove the panel in the freezer section. This panel will give you access to the evaporator motor/fan, the evaporator coil and the defrost heater. Take a hair dryer and use that to melt the ice. Make sure that you monitor the drip pan regularly as you melt the ice since it will fill up with water and you will need to empty it regularly.

Once you get the coil clear of ice, you should see a heating element, it either lookes like a black wire that is attached to the evaporator coil, or it could look like a glass tube with a filament inside. If you have a meter you can determine whether the heating element is working. If the meter resistance setting show it as open, then you will need to replace the heating element. If the element is good, then you will need to check the defrost timer to see if it is turning the cam to periodically run the defrost mode.

If you do not have the ability to troubleshoot the defrost circuit, then call a service company. You can put the refrigerator back together and it should be able to cool the refrigerator compartment, until the service person and fix the problem.

Hope this helps you.

Jul 23, 2010 | Frigidaire Refrigerators

2 Answers

Freezer works great, but refrigeration section stopped working


Check the door seals on fridge and freezer to make sure there are NO leaks.
Try manually adjusting air flap that controls air from freezer to fridge, the flap may be frozen or the actuator that controls the flap may be faulty.

Aug 25, 2009 | Whirlpool GD5SHAX Side by Side...

1 Answer

FREEZER ICED OVER, LOWER COMPARTMENT NOT COOLING


Well, if the service person said the defroster is not the problem, there must be a good reason. But, I would go with a faulty defrosting system. Most likely suspects are the defrost timer and the defrost heating element.

May 05, 2009 | Refrigerators

2 Answers

Evaporator freezing up on my ge gss25tsrd refridgerator


YOU CAN SEE HEAVY FROST ON THE REAR OF FREEZER WALL?

Jan 29, 2009 | GE Refrigerators

3 Answers

DEF appears on freezer door and freezes up.


deF error means that you need to defrost the unit. Leave the unit unplugged overnight and defrost completely.

Dec 06, 2008 | GE Profile 26.6 cu. ft. Side-by-Side...

3 Answers

GE Side by Side stopped cooling


This sounds like the defrost heater is bad or dead. The refrigerator will not cool because frost is building up on the evaporator coils in the freezer section and the fan can no longer push air past the coils. You will find that the freezer will build up with frost.
If you are brave enough, remove the cover in the freezer and you will see the coils are completely covered with frost (ICE). At this point with the refrigerator unplugged ( remove food). get a hair dryer or heat gun and melt all the frost. You will notice a heating element ( looks like a tubed light) -element will looked burnt out.
Replacing it at this point is easy. Before you start though, try to get the manual for your system and call around for a local appliance parts store to see if the part is readily available.

Nov 03, 2007 | GE (PSS26MSRSS) Side by Side Refrigerator

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