Question about Jenn-Air JFC2087HRS Side by Side Refrigerator
Fridge and Freezer go into defrost but don’t seem to come
back to cooling unless I turn the temperature switches at the top of the fridge
cavity off and back on again. With a
wireless thermometer in the freezer, I saw the temp go from 0° to 27° and the
fridge go from 34° to 42° before opening the door and doing this.
How often should the unit go into defrost? Every 7 days?
What part would be defective if it is not restarting its cool cycle?
SOURCE: Fridge not cooling
We will need to see if yours has the defrost timer or the adaptive defrost. Let me know if your model is the JSD2789GES. I have the manual we can work with. ..Sea Breeze
Posted on Jun 21, 2009
Your defrost system isn't working. Check your defrost heater, defrost thermostat. http://www.acmehowto.com/howto/appliance/refrigerator/refrigerator.php If they are OK the problem is the electronic control. Part 32 on this diagram. http://www.appliancepartspros.com/sect/i/2/w/i2wajbeu9f.gif
Posted on Jul 01, 2009
Hi, With the information you supplied I’m going to assume there is an ice build up at the rear of the freezer. Your problem is going to be with your defrost system. I will also assume you have the ability to repair this yourself.
This is going to be one of three problems with your refrigerator, 1st thing to do is remove shelf’s and panel in the back of the Freezer. You may see ice build up on the evaporator, don't worry get a hair dryer and melt the ice.
Next locate the wires for the defrost heater and using a multi-meter/ohms meter test the heater for continuity (it should read infinite) if the defrost heater is bad replace it.
This is what a typical defrost heater looks like:
If the heater is good test the defrost thermostat. This should normally be done when the evaporator is still covered with ice since it will only activate at 40f - 50f depending on the thermostat. When tested with the ohms meter at below 40f it will read infinite. It is normally clipped to the upper right of the evaporator and look something like this:
The next possible problem could be the defrost timer. If you have tested the heater and thermostat and they have tested good next find the defrost timer, If your refrigerator has a mechanical one it will either be located inside the control panel in the fridge or behind the panel below the doors. Once you have located it advance the dial until you hear a click. This will initiate the defrost cycle. If your heater begins to get hot this will tell you that your timer has stalled and needs to be replaced. A typical mechanical timer looks like this:
If your refrigerator has a digital defrost timer you should locate the tech sheet. Normally you can find this behind the panel under the doors. It will tell you how to initiate a manual defrost cycle. As before if the heater gets hot you will have to replace the mother board normally located behind a panel at the rear of your refrigerator.
If your fridge is warm and there is no build up of frost/ice on the back panel inside the freezer then you problem is most likely going to be the evaporator fan, have you heard the fan running in the past few hours? if you are not sure pull the panel out to where you can see fan and watch it over the space of an hour to see if it turns. If you don’t see it turning replace the motor. This is what a typical evaporator fan looks like:
Hope this helps. If you have any other questions please feel free to comment again. If you decide to get a repair guy in should not cost you any more then $120 - $200 depending on make/model/problem Good luck & thanks for using Fixya! Mike
Posted on Oct 17, 2009
Testimonial: "UNFORTUNETLY THIS DID NOT PERTAIN TO MY MODEL SO I COULD NOT USE THE INFORMATION"
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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.
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