We had a power outage a couple months ago: when the power came back, the clock on the microwave stopped remembering the time. You set it for 1:30pm for example, then look at it ten minutes later and it'd be something like 5:26am, ten min later and it's now 2:48pm, and on and on.

We unplugged it a couple times, but it wouldn't fix it; time was still jumping all over the place.

Had another power outage last week. Power came back: Suddenly it's working perfectly again. 🤷🏻