Quote Originally Posted by CarlD View Post
My main pump did that this year. It means the bearings have probably seized up over the winter and the safeties in the pump switched it off to keep it from burning out. You'll need to find a way to break the main shaft loose so it can turn, but it may be noisy. You may need to replace the bearings.
Hehe...I was just posting at the same time. Yes, it appears the bearings have seized. Any idea how to free them? Is replacing bearings an easy DIY project for a novice? I was able to replace the seals on the main pump last year.