No matter what time or power setting, it stops in 3 seconds of pressing the start button. Does not display any error codes. This is a Genius series over-the-range model with 1100W cooking power.
Blown inverter board. Mine has gone twice in 4 years. Piece of junk!
Pete
April 2014
Check to make sure that you didn't jar the control panel. When lifted from underneath the panel can unhinge itself, make sure it's secured tightly. You might have to take the vent gill off to accomplish this.
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Try fixfault.com to fix microwaves.