
03-25-2008, 12:24 PM
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Senior Expert
APP Volunteer
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Join Date: Jul 2007
Location: Orange County, California
Posts: 7,000
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If there is power to the microwave and to the controls but the display is blank then the problem could be a bad key PCB or a bad smart board.
More accurate diagnosis should be performed by a certified tech due to very complicated design.
Gene.
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