Blew a trace off of the back of the board by it shorting out when the bulb was unscrewed, Either have to find someone to repair the main circuit board or order a new one. But $$$$ always unplug the Microwave to replace the builbs, It doesnt seem like a big deal but I have seen this a lot over the years and it really does some damage to the main PC board.
SOURCE: Fan and Lights do not work
This is a problem with the control panel assembly, which we repair nationwide for $32.50. This is inded caused by not disconnecting the microwave from the power line when removing or installing a bulb. Feel free to e-mail me at _ for more information or visit our site for details of our repair service: _
SOURCE: Lighting Problem
We see this a lot. The problem is on the control panel, which we regularly repair nationwide for $39.95 postpaid.
This light failure often occurs when a bulb goes out and the filament shorts, or when the bulbs are removed or installed without first unplugging the oven from the power line. Either can cause such a failure on the controller.
This can often also affect the exhaust fan operation, too. The lights and fan can be inoperable or stuck on too.
Details of our service and critical safety information and disassembly information is at our site, and our link is at our listing here on FixYa: http://tinyurl.com/yzjozk
We're happy to help and we appreciate your thoughtful rating of our answer.
SOURCE: Kenmore Microwave Model 721.67601790 lights don't work!
This seems to be happening to this model a lot!
We see (and repair) this a lot. The problem is on the control panel, whichwe regularly repair nationwide by mail for $39.95 postpaid in about a week.
Atour site, we have a video available showing how to remove a typicalover the range control panel assembly in under 5 minutes.
This light failure often occurs when a bulb goes out and the filamentshorts, or when the bulbs are removed or installed without firstunplugging the oven from the power line. Either can cause such afailure on the controller.
This can often also affect the exhaust fan operation, too. The lights and fan can be inoperable or stuck on too.
Details of our service and critical safety information and disassembly information is at our site, and our link is at our listing here on FixYa.
Feel free to contact me directly (and please remind me of your model number) 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
[email protected]
http://www.microwavedisplay.com
We replaced the board behind the control panel. $130.00. If you do this make sure you can put the wires back the right way. My husband finally got it and our micro is working like brand newThanks to all who tried to help.
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