Fix Steps:
1
STOP microwave immediately and unplug if sparking continues
2
Remove any metal objects - foil, twist ties, metal-trimmed plates, utensils
3
Check for metal paint on dishes - gold or silver trim causes sparking
4
Inspect for crumpled aluminum foil pieces stuck in corners
5
Clean all food splatters from ceiling and walls with damp cloth
6
Check wave guide cover (usually right side panel) for food buildup - wipe clean
7
Remove any metal racks unless specifically designed for your microwave
8
Ensure food containers have no staples or metal fasteners
9
Check turntable roller guide is clean and properly seated
10
Verify nothing metallic is touching the walls or ceiling