Some times, even on a new installation, the power base does not seem to have a enough energy and is unable to turn the ball winder.
Typically caused by the O-ring being too tight on the ball winder (where is presses against the pointed shaft).
The pressure of the o-ring is just too tight and it acts like a brake preventing the motor from turning the ball winder.
This just takes a few seconds to correct.
The user simply adjusts the tension of the o-ring by loosening the two screws in the clamp ring and raising the entire spindle arm and spindle upwards slightly. They should twist the spindle with one hand as the other had raises the assembly upward. By twisting the spindle while making this adjustment the user can be sure that they are adjusting the o-ring tension so it is not too tight and not too loose either. But it must be made a little looser so it does not act like a brake.
Whereas the o-ring being too tight could still allow the ball winder to work OK for a user using the hand crank, the motor is more sensitive to the o-ring tension so it should be made a little looser when using the motor. How to measure looseness? When doing the spin test, make sure the number of turns when spinning the handle is 5-6 spins versus 4-6 turns for a hand crank setup. In other words, make it just a little looser when using the power base.