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Our Amana window unit "quiet zone" will not switch off even when the dial is turned to "off." Model is: P 12QZ22RC. Any suggestions?

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  • jross874 Aug 17, 2008

    Amana unit will not switch off even when switch is in "off" position.

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Looking at the date of your original post this may or may not help you. I have the same exact unit with the same exact problem. What I found was the plug was running very hot, like in excess of 150 degrees sometimes. Sometimes the air conditioner would work fine and other times it would act up, (like not completely shutting down). So I decided to change the plug today, and much to my surprise it is working flawlessly. The plug and cord are now nice and cool. I've had it running for over 8 hours now with the new plug and the problem has not come back. I cut apart the old plug and did find the wires blackend where they are crimped to the blade terminal. Hope this helps someone in the future. If the plug on any appliance is running hot to the touch, then I would start first by changing out the plug.

Posted on Aug 23, 2009

  • Rich Cote Aug 31, 2009

    OK. So this air conditioner is not working again. It worked for another week after changing out the plug. I have since found the discontinued control panel # 11150501 on E-Bay for relatively cheap money. Search the part# on E-Bay and it comes right up with 2 sellers. I will post back if this fixes it when the part arrives. I pulled the control panel out of the unit and it looks a bit corroded here and there, so I will swap it out as I feal confident with this diagnosis. I read that these can fail in high humidity environments.



    Rich.

  • Rich Cote Sep 03, 2009

    Update.

    I since received the new control board but I also found the motor run capacitor was leaking and very rusty. I tested the old board for continuity in the power wire wires with ti switched in the off position and there is continuity there. The new control board has no continuity between any of the wires within its connector. I suspect the capacitor went bad and caused some kind of fault in the board. I will change the capacitor before I install the new board for fear of ruining it.

    I will keep you posted with the results.



    Rich.

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