While you wait for answers, we may have found some information which could help you.
Click here for Treadmill Exactly StopsWhy does my Sportcraft Tx 4.9 run slowly?
tx 300 sporadic speed changes?
What can i do to fix it the number 3 show up?
How can i fix my tx400 sportcraft treadmill model #04040?
I have a sportcraft TX 550 treadmil that stops working after 8 sec ?
My treadmill stops when it hits 3 and will not go. Do not know what to do?