I have a Kenmore Microwave/Toaster Combo. Model 721.66299. This morning, the display just came on for no reason. It cycles through Def 1, Def 2, and Def 3 continuosly. During this time, nothing worked. I unplugged and plugged the power cord. The Def lights still came on.I've had this unit about 2 years. Help!
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