Treadmill Speed Controller for Johnson ti21 ti31 ti51 HTM4000 HTM6000 Treadmill Circuit Board Lower Control Board Motherboard

Treadmill Speed Controller for Johnson ti21 ti31 ti51 HTM4000 HTM6000 Treadmill Circuit Board Lower Control Board Motherboard

1. Condition: new and test working before shipping

2. Package including 1pc controller

3. 3 months warranty

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 AA battery(1.5V*2) , that means the motor is good. If running not smoothly or do not running, it means the motor broken.