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Whirlpool Microwave Turns Itself on

MH1150XMS3

The 1 most common part(s) or condition(s) which cause the symptom Microwave turns itself on are listed below starting with the most likely. Check or test each item and watch any available videos.

Grid is 1 inch square
Main Control Board - Part # 1178021 Mfg Part # 8206448

Main Control Board

RepairClinic Item # 1178021

If the microwave turns itself on, there may be a problem with the touch pad buttons touching intermittently. If the the touch pad is working okay, the main control board is defective and will need to be replaced.

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