If the treadmill has seen lots of use, the brushes in the motor could be worn out. Generally, I would say that only treadmills at gyms where they see lots of use, get worn out brushes.
If the treadmill has seen lots of use, the brushes in the motor could be worn out. Generally, I would say that only treadmills at gyms where they see lots of use, get worn out brushes.