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Our Kenmore Microwave Oven # 721.89941490 does not respond when the "start" button on the touch pad is depressed. All other functions of the oven work normally, including time set, count down, light, clock, -- everything except it will not start or cook. Additionally, the start switch can be heard to "click", but again nothing happens. Any ideas? Thank you. Dave Champlin

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Poosible burned contacts on cook relay mounted on circuit board; or, a defective solder connection(s) on same board. another spot to check in the door microswitches.

Posted on Aug 30, 2010

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We regularly repair such control units for customers nationwide by mail for $39.95 postpaid in about a week or so with a one-year guarantee.

At our Web site, we have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.

Feel free to contact me directly (and please remind me of your full model number from the tag on the unit) for more information & help.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

William E. Miller, AS-EET
prototech@usa.net
http://www.microwavedisplay.com
Microwave Oven Control Panel Repair Nationwide

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One of two thing happened here...
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