https://docs.google.com/document/d/1I0iL6y4NiQpXY8hRfye9uplGgVkfHcd0/edit 1、Treadmill handle bar is stuck Dear {{Buyer's Name}}, Please don't worry. If the walking pad encounters problems that can't be handled, we will give you full refunded. If you encounter "the treadmill handle bar can not raise it " Here is our solution: The handlebar cannot be put down or pulled up. You can try to 2-3 drop lubricating oil on the rotating shaft. Have a nice day! 2、The treadmill stops at random Dear ...