Thanks for contacting
. I understand how frustrating it is having trouble with your treadmill stopping. We are here to help. I recommend the walking belt tension be checked. If the walking belt is too tight the controller or motor will overheat, shutting the treadmill down. The proper way to adjust the belt is listed on page 14 of the owners manual. To download the owners manual
. If the belt is adjust properly and the treadmill still shutting down, unplug the treadmill. Next, remove the black motor control cover. Now, check all the wires on the motor control board. Make sure all the wires are plugged in and tight. To determine which part is bad, plug the treadmill in and run the walking belt with the black cover off. Run the belt for about 10 minutes and shut the treadmill off. Now, check the motor and control board with your hand. The part that is burning hot is bad. Most likely it will be the controller. The motor rarely goes bad. The part number for the controller is 137860. I hope this helps.
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