While you wait for answers, we may have found some information which could help you.
Click here for Speed Control Works
Why does my Sportcraft Tx 4.9 run slowly?
Is there anywhere i can find a motor control board for my sportcraft tx4.9 ?
tx 300 sporadic speed changes?
My treadmill stops when it hits 3 and will not go. Do not know what to do?
tx335?
How can i fix my tx400 sportcraft treadmill model #04040?
howtomendit.com for free repair help, information and advice.
