It is possible that the Microwave door is not closing properly. The Gap on the door is too high to shut. Door Gap is bigger than the Door Switch Activation Distance causing it not to activate when the Door is closed.
Whirlpool Microwave Service Bulletins
Whirlpool Microwave W11646951 Service Bulletin
Drawer Not Closing or No Heat
Whirlpool Microwave W11639932B Service Bulletin
If the provided spacer rails and trim are not installed the door may not close and latch all the way, leading to product not starting, or interrupted cycles. Product may or may not operate if the user holds the door closed when pressing the start key.
Whirlpool Microwave W11655325 Service Bulletin
Specified dimensions will not allow correct retrofit of products for replacement product, and there’s a possibility of building cabinets in which the product will not fit.
Whirlpool Microwave W11655326 Service Bulletin
Specified dimensions will not allow correct retrofit of products for replacement product, and there’s a possibility of building cabinets in which the product will not fit.
Whirlpool Microwave W11245251B Service Bulletin
Product will not operate (intermittent) – Light will not come on when door is opened – Light flickers – “Open/Close Door” message repeatedly – Product appears to operate with door open Note: Only the lights, turn table, and fan will operate; all high-voltage and microwave energy is disabled in this state
Whirlpool Microwave W11607452 Service Bulletin
Consumers can see white marks/gap (view of internal flange) on the right side of the microwave cavity near the control area.
Whirlpool Microwave W11493384 Service Bulletin
Microwave Door is Not Closing
Whirlpool Microwave W11023161 Service Bulletin
It is possible that a small number of consumers might experience a gap between the mounting of the microwave hood wrapper and the cabinet bottom on the right-hand side.
Whirlpool Microwave W10866910 Service Bulletin
Clock Timer may not display A.M. /P.M. Designators correctly