Please make sure that there is no problem with the motor before you place your order.The motor can be tested by the method shown in the picture below. If the motor running smoothly by 5# battery, that means the motor is good. If running not smoothly or do not running, it means the motor broken.
If you don't know the model of the controller, please provide a photo of the old controller and send it to us for inspection.
Customer Service: If you have any questions about the product, please contact us. We are treadmill part direct sales,if you need other controller models, please contact our customer service