Maybe it's humming because it doesn't know the words.

Sorry, couldn't resist!

Quote Originally Posted by Rick Cansler View Post
have a 3hp Unisaw that suddenly stopped working. When I push the switch to start, I hear the motor humming, but the motor doesn't start rotating. I can easily rotate blade by hand and see the belts rotating the motor pulley. Any ideas on what the problem is and what I would need to do in order to get saw working again?