Model #79575542401 KENMORE ELITE Bottom-Mount Refrigerator

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Question and Answers

Q:

Refrigerator model#79575542401

A:

The main control board on the back of the refrigerator is usually bad when the temperature setting scrolls on its own. You did not mention which control board that you replaced. If you replaced that main control board on the back of the refrigerator then you could have a problem with the user interface display control board on the freezer door. You can unplug the refrigerator and check the wiring connection for that display control board as shown in the first image below. Check that control board for burned spots or damage. If you see not problems there, check the wiring connections on the control board that is on the back of the refrigerator. I provided a wiring diagram in the second image below. If you find no wiring problem or apparent damage, you can use the LED test function shown at the bottom of the fault code chart in the second image to test the display. If the display appears to be okay using that test, then you can test the functions of the main control board using the information in the third image. If the main control board on the back of the refrigerator is not operating properly, it will probably need to be replaced again.

You can order parts from the Sears PartsDirect website.

If you need more help, reply with additional details and we will try to assist you further.

If you do not feel confident repairing this problem yourself, then you can have it repaired at your home by a Sears technician. Here is a link for the website: Sears Home Services .

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Lyle W -
Sears Technician
June 06, 2011
A:

Hello Mary. On that model of refrigerator (795.75542401), the main control board on the back of the refrigerator is part number 6871JB1280P. It is circled in red on the first parts image shown below. The part number for the display control board is 3211JJ2001A. That control board is shown as KEY 279A in the second parts image. The parts description on that second control board that is in the dispenser may be confusing the parts agent. The description in the parts listing for that component calls it a Frame Assembly or Display Frame Assembly. Sorry for the confusion. We are working to improve those parts descriptions. If you need more help, let us know.

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Lyle W -
Sears Technician
August 12, 2011
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Q:

replacing control board 79575542401 Kenmore Elite Refrigerator

A:

Thank you for your question and I understand your concern.

I would first check the wire/plug connection at CON2 on the main PCB. Check the two PINK wires at CON2 and make sure it's making a good contact on the PCB. NOTE: To avoid heat damage caused by the lamp, it is turned off automatically when the refrigerator door is open for more than 7 minutes.

Also, there is an Alarm for Open Door

1. This feature sounds a buzzer when the freezer or refrigerator door is not closed within 1 minute after it is opened.
2. One minute after the door is opened, the buzzer sounds three times each for 1/2 seconds. These tones repeat every 30 seconds.
3. The alarm is cancelled when the freezer or the refrigerator is closed while the buzzer sounds.
This could be what was causing the intermittent "pinging" with flashing LED's too. Make sure the doors are shutting properly or it will let you know. It will also make a "Ding-Dong" type sound to when the button on the front Display is pushed. This could be caused by a faulty display touch panel.

There is no reset procedure to perform after replacing the main PCB. I would re-install the old PCB and see if the interior lights will work. If the lights work with the old PCB but with the new PCB installed, I would have to say the new PCB is faulty.

I strongly recommend calling a service technician to properly diagnose and repair your model refrigerator if the lights will not work and it continues to make the intermittent "pinging" sounds.

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Joey S -
Sears Technician
June 03, 2014

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