Jacuzzi MAGNUM POOL PUMP 1-1/2 HP MAGNUM PUMP BY "force motor bearings" Questions

...FORCE PUMP. iT WAS RUNNING THIS MORNING FINE. CAME HOME IN THE AFTERNOON AND POOL WAS NOT RUNNING. TURNED OFF PUMP (REALLY HOT) AND WAITED ABOUT 20 MINUTES. WHEN I HIT THE SIWTCH IT JUST HUMS. I ...