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Whirlpool Microwave Turns on by Itself

MH1150XMS3

The part(s) or condition(s) listed below for the symptom Microwave turns on by itself are ordered from most likely to least likely to occur. Check or test each item, starting with the items at the top of the page.

Most Frequent Causes for Microwave turns on by itself

Cause 1Main Control Board

First, make sure that the touchpad is working properly. If the touchpad is working properly, the main control board is likely at fault. If the control board is defective, replace it.

Parts
Main Control Board for your WhirlpoolMicrowave