My treadmill has lost its power/torque. It still operates normally except that when you step on it the motor can't pull the load. I'm wondering if it is a problem with the motor or a problem with the electronics supplying the power to the motor.

This site lists some of the problems with a treadmill

You will have to save a PDF file to your desktop and open it

Treadmill Troubleshooting Help

Hope this helps -- Good luck repairing the problem

"People will forget what you said, people will forget what you did,
but people will never forget how you made them feel."
--Mayo Angelou