I just installed this replacement motor. However, the fan is not spinning and only getting buzzing sound. What can be wrong?
I had the exact same thing happen to me. Swapped the motor, got everything buttoned up, flipped the switch and nothing but a buzzing sound. Took the cover down and tried to spin the wheel (I unplugged it first). Noticed it was in a bind. I took it back down and pressed the wheel further down on the shaft to where the shaft protruded about 1/8" through the top of the wheel instead of flush like the instructions said. Put everything back, flipped the switch and voila! Works just fine now. So check the wheel to ensure it spins freely when you install it.
8 months ago