Appliance Repair Questions? Ask a Technician for Answers ASAP
Hi,Welcome to Just Answer, My name is XXXXX XXXXX forward to helping you today.
your power control board is bad, it would need to be replace the fix this issue, you can order it at , http://www.searspartsdirect.com/partsdirect/part-number/Kenmore-elite-Parts/Microwa ve-Parts/6871W1S387B/0022/721/Model-72180833500/0583/0123370?keySuffixId=NA&pathTaken=partSearch&pathRender=modelComponent&documentCompId=K0810077&diagramPageId=00002&productTypeId=x&searchModelNumber=72180833500&subCompDesc=Controller&brandDesc=KENMORE ELITE&modelDesc=MICROWAVE---RANGE-HOOD&blt=11 part # XXXXX on this diagram, unfortunately this is common on these, thanks, Bryan
well what you need to do is open the control panel to access the board, taking part # XXXXX (the grill one the top above the door) gives you access to the screw to release the control, be careful,microwaves are dangerous to work on even unplugged, they can store a lethal amount of voltage in the high voltage capacitor,