Question about Kenmore 76129 Air Conditioner

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Unit will not turn on

My kenmore air conditioner model 76129 wont turn on any ideas??

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If the display/control are not lighting/no power & unit will not turn on, the problem is likely the main power control board part number 6871a20271a. The board runs $40-50. However, if you are competent with a soldering iron, you can replace the integrated circuit chip [black rectangular 8 pin component marked TNY266PN] which I have found to be the cause of at least my problem.

The component is approx $1.50 [buy several, it WILL fail again] available@:
http://www.mouser.com/ProductDetail/Power-Integrations/TNY266PN/?qs=%252bk6%2F5FB6qrklhXU1XjM1kw%3D%3D

Hope this information is helpful to someone


Ray H.


Posted on Jun 02, 2015

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I have two of these units (actually it is my sister and brother in law's) but they come to me to fix stuff.
Last year they came to me with this unit not working. No indication of power on the display. I diagnosed it down to the PWB Assmebly, Main. I believe they are referring to it as a Power printed circuit board (part #6871A20271A). The new board worked for about 4 months and then quit in the same manner. Also, the second unit quit in the same manner also indicating the circuit board is bad.
I don't want to throw a board at it till I know why they are burning out. Also, want to try to diagnose the board to component level ($33.28/board last year). Let me know if this helps if you have the same symptoms?
You can replace the board but my experience says it will only last for a short time till we find the real cause (Sears must know this problem exist).

Posted on Jun 05, 2010

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