Question about Refrigerators

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My kenmore is constantly getting frost in freezer and vent from fan frosts up totally. this happens every24 hrs. is this a defrost issue or something else...btw return vent is clear

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  • hemo8191 May 14, 2010

    no issues with air leaks as the dollar test has been tried...now at the point do I call in a professional or is this a repair i can perform...along where would i get the parts...last time fan went out sears charged me 250 dollars + parts

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Carefully check the seals on the doors for air leaks which would let warm air in and cause this,is the unit staying frozen in the freezer and holding refrige temp,if not you may have a refrigerant leak in the sealed unit,also check the condenser coils at the bottom by the compresser for dirt and dust as this can affect the operation too

Posted on May 14, 2010

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There are two possible causes or types of frosting. One is where the surface of the items in the freezer have frost on them. It may be in one spot or evenly distributed. This is caused by excess room air getting into the freezer because of leaky door gasket which should seal snugly on a dollar bill inserted between the gasket. Frequent or prolonged door opening will also allow room air in. The higher moisture content in the air freezes on the surfaces of the food etc.

The other cause and type of frosting is automatic defrost failure.


DEFROST PROBLEM
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(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.

Posted on May 14, 2010

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1 Answer

I have a Kenmore Elite model no is 59673502201 and it stop cooling in both the frig and freezer i replaced the condenser fan motor and it worked so i replaced the back and the unit will STILL NOT GET


Do you hear your evaporator fan running in the freezer drawer area?
If not, then that's the fan you should have replaced.

If your compressor is running and both the compressor fan and the evaporator fan are running, check the back wall of your freezer compartment. If it is frosted up, then you have a defrost problem.

If it's not frosting up, disassemble your freezer drawer section and remove the back panel in the freezer to look at your evaporator coil.

If it's partially frosted at the top, or bottom, but the rest of it is dry looking, then you've got a leaking sealed system.

If it's lightly frosted all over, then you have good coolant flow and you need to start looking at your thermostat and damper up in the fresh foods section.

Good luck!

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Have you checked the heater/defroster element within the freezer? It may be related. When mine failed I was doing the defrosting with a hair blower. Over time (several days) the frost would build up on the freezer coils and the air couldn't flow as it should....so the thermostat wasn't getting cooled enough and it relayed the information to the cooling system, causing the frige to run all the time. Since it was clogged with frost, the frige was constantly trying to cool itself and the frost problem would get so bad that things in the freezer began to melt due to a lack of cold air circulation. After the heater/defroster element was replaced, frost would melt during the defrost cycle (as it should) and airflow/circulation was restored, allowing the thermostat to be cooled properly. Then the freezer coil was able to 'rest' when it should instead of constantly freezing to meet the demand for cold air in the frige. Hope this makes sense...and helps solve your issue.

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1 Answer

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If you are getting frost that is gasket issue your refrigerator is made by whirlpool you can find one using your model number

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1 Answer

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check to see if the fan in the freezer section is running, replace the fan motor if not running. if running, has the back wall of freezer got frost on it. if so turn off for 3 to 4 hrs with door open to defrost. if the frost returns in 2 or 3 days, call for service.

Jan 05, 2012 | Kenmore Refrigerators

1 Answer

Freezer constantly produces ice buildup along the vents and fan blades inside are striking the ice buildup. Why wont the unit defrost? Also produces large chunks of ice from the ice maker during this time....


SAMSUNG REFRIGERATORS ARE KNOWN FOR DRAIN ISSUES., YOU NEED TO DETERMAN IF ITS FROST {DEFROST PROBLEM} OR ICE {drain issue} IF ITS ICE YOU SHOULD EMPTY IT AND UNPLUG OVERNIGHT WITH THE DOORS OPEN. IF FROST YOU SHOULD CALL FOR SERVICE.

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1 Answer

Its not getting cold


MAKE SURE THE FANS ARE RUNNING FREEZER AND COMPRESSOR, THEN CHECK THE BACK WALL OF THE FREEZER IF ITS FROSTED UP YOU HAVE A DEFROST ISSUE. IF THE COMPRESSOR AND FANS ARE WORKING AND NO FROST IN THE FREEZER THATS NOT A GOOD THING..

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1 Answer

Door display reads ER FF


All error codes will display "ER" on the left side - that simply means error. In your case your error code is FF - which stands for freezer fan, or in technical terms, evap fan. Open your freezer and look for the vents where cool air blows out - do you feel any air coming out, do you hear the fan ? It is possible your evap fan stopped working or excessive frost around it - are you able to turn off unit and remove the back panel of your freezer held by screws, look for any excessive frost or anything blocking the evap fan - if there is no objects or frost blocking fan, then you have need to call service and have them replace your evaporator fan assembly - also note if your freezer fan is not working, then you won't get any cooling to either your freezer or your refrigerator - If you notice excessive frost and see that it is preventing your fan from operating you can use a blow dryer and defrost manually and see if it works again afterwards - if problem returns eventually then you have an auto defrost problem you will have to get it serviced and check the control board and defrost timer + components. Make sure you turn off refrigerator and unplug when checking things yourself at the back - if you are not comfortable doing this call service.

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1 Answer

Frost forms in freezer, blocking vents so temp in both freezer and fridge is warmer than normal


You have an issue with the defrost system, either the timer, thermostat or heating element. Probably the defrost timer refer to the manual to find it. If you don't have the manual check the makers web site for a parts breakdown. You should be able to put it into defrost manually by turning the knob and see if that helps. You may need to do this sevral times as it only stays in defrost for a little over twnety minutes and run cycle for 6,8 or ten hours. If the ice build up is heavy then twenty minutes may not do the trick thus the need for repated defrost cycles. If it does the trick replace the timer. If not check the thermostat and heater element.

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1 Answer

Kenmore Upright Freezer Model 2539252110


constant clicking, sounds like a compreesor trying to start itself, you might geta way with replaving hte starting device for compressor, sometime s a bad compressor will burn out a starting device, checl your warr papers, most compressors had afull 5 year warr

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Bosch Classixx fridge / freezer


Hi - experienced this myself and spent ages trying to get to the bottom of it - only found one post but it worked and was absolutely clear on the cause nb: i'm not an "expert" !

My understanding of how the Bosch f/f works is that the freezer compartment generates the cold air for the fridge which is regulared at the fridge end . At the back of my fridge there are two "vents" which feed up this cold air up from the freezer into the fridge.

Problem happened to me because I left the freezer door slightly ajar which generated a massive amount of frost (sucking in the moist air from the house I guess then freezing it) and subsequent ice froze up the cooling ducts between the freezer and the fridge. Therefore, no matter how much I turned up the fridge thermo it never got cool. Only solution was to dump my frozen at a mates house and defrost the the FREEZER for a good 24 hrs +.

Worked tho' - fridge was completely back to normal.

PS: I understand this issue may also happen if you put too much unfrozen food into the freezer at one go and in working overtime to get it frozen causing a massive frost up again.

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