Microwaves stop working for lots of reasons, but there’s one common culprit most folks don’t expect. This article covers the most frequent cause of microwave failure, how to recognize the warning signs, and simple tips to diagnose the problem at home. I’ll walk you through what typically breaks, what you can do yourself, and when it’s really time to call for backup. You’ll also pick up some straightforward advice for making your microwave last longer. If your microwave suddenly died, this guide will point you straight to the likely issue.