KitchenAid · Microwave Oven
Sparks or arcing are visible inside the microwave oven cavity during operation. This is typically caused by food soil buildup or debris.
Click steps to track your progress.
Turn off and unplug the microwave oven.
Clean the microwave oven cavity walls, inlet cover, and cooking rack supports thoroughly.
Pay special attention to the area where the door touches the frame, cleaning any soil buildup.
Plug in the microwave and test for arcing.