Question about Jenn-Air JCD2389G Side by Side Refrigerator

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My Jenn Air side by side I think has two problems. I have problems with the defrosting unit in the freezer area not working. I have temporarily been manually defrosting it. About a week ago the refrigerator just stopped working all together. I removed everything and turned the settings to off. Afew days later I went in the refrigerator to let it air out and turned the settings back to normal from the off position. The next day the refrigerator is now working. What's up with this

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Manually defrosting is not a solution you will need to fix this - you have a faulty control board, you might have reset things temporarily but problem WILL return eventually and you will spoil your food. Common causes are control board, your defrost system is not working, most of the time changing the control board fixes it - also have your defrost components checked as well for proper operation.

Posted on Sep 26, 2009

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Although it isn't defrosting the timer(or defrost control) could still be putting it in the defrost mode where everything cut off. Your heater may not be working.
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.

If you need help finding your model number see here> http://www.appliancepartspros.com/modelnumber_locator.aspx

To locate your timer, motherboard, control or adaptive defrost control , enter your model number and search for the part or post back on Fixya.
http://www.searspartsdirect.com/partsdirect/index.action?psid=26129238&sid=PSx20071217x00001a

Posted on Sep 25, 2009

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1 Answer

Fridge warm. Freezer frosting over. I've


Hi


Check the back wall or floor of the freezer section for frost. Check the freezer ( evaporator) fan to see if it is running. Check the condenser coils under the unit for blockage from dust. Check the condenser fan (under the unit) to see if it is running.
If you have frost in the freezer there is a problem with the defrost system and the freezer will start to warm eventually as well as the fresh food section. If that is the problem you can check the defrost terminator, defrost heater/s, and the defrost timer or adaptive defrost control If used on your unit or the main control board if so equipped. These things usually require dismantling the freezer and other areas of the refrigerator to be checked.

There can be many factors for the no cooling factor: the condenser coils could be blocked with dust, the condenser fan could be bad or stuck, the freezer fan could be stuck or bed, the freezer coils could be blocked with frost because the self-defrost system is not working or the compressor is not running because of a bad relay etc.


Please check this link to get a detailed idea about your issue:-


http://www.appliance-repair-it.com/refrigerator-not-cooling.html


Please get back to us if you have further query else please accept the suggestion.
Thank you for contacting fixya.com


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1 Answer

We have had our Jenn Air refrigerator since about 2002 without problems. Suddenly, the freezer is no longer keeping ice cream hard enough even when set on the coldest setting. Any ideas why?


Can you tell if the compressor is working? Do you hear any clicking in that area? While there are serveral things that could cause this I will mention just the most common.

The defrost assembly has quit working. This results in ice build up behind the freezer rear panel which is where the thermostat is, so it thinks everything is cold enough. So it cuts off cooling until the ice defrosts.

The best way to check. Remove food from freezer section; remove shelves, remove the inside back panel and look for ice build up. If there is an ice build up them you can defrost the unit by either letting it sit with the door open and unplugged or hurry it up with a hair dryer. Once you have it defrosted then plug it back in and turn on. If things freeze up and works write, you will need to order the defrost assembly and replace it the next time the problem comes back.

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If the freezer is staying cold it sounds like a defrost system problem. A bad timer, heater or thermostat can cause frost to build up on the coils and block air flow to the refrig side. Check out ACMEHowTo.com for troubleshooting the defroster problem.
There is a small duct between the freezer and refrigerator side if this is blocked the frig side won't cool.

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