What is the most common reason a sump pump fails 16

https://whysumppumpsfailedge.ironwoodscope.com/posts/why-sump-pumps-fail-the-most-common-reason-and-how-to-avoid-basement-flooding

The most common reason a sump pump fails is a stuck float switch, which gets jammed by debris or simply wears out over time. When that happens, the pump either runs constantly or never turns on at all, leading to a flooded basement. It's a small part that causes huge headaches.