Microwave Problems
Explainers
Kitchen & Cooking
Why Is My Microwave Running but Not Heating?
A microwave can appear to run without heating if Timer mode was used, the door is not engaging correctly, or an internal component has failed.
Kitchen & Cooking
Why Is My Microwave Sparking?
Microwave sparking, or arcing, can be caused by metal, foil, metal-trimmed dishes, twist ties, improperly positioned racks, certain paper products, or cavity damage.
Lists & Checks
Quick Answers
Kitchen & Cooking
Can You Run a Microwave Empty?
Running a microwave empty is not recommended because the oven has no food or liquid load to absorb the microwave energy.
Kitchen & Cooking
Can You Use Aluminum Foil in a Microwave?
Aluminum foil is generally not recommended in a microwave, but some manufacturers permit very small, carefully positioned amounts for shielding when the owner's manual allows it.