Please see the video and lube+rollers bearing front and back, test the drive belt motor, and replace the belt if necessary.
However if the problem persist, your control board is faulty.see the block diagram
SOURCE: My Proform 650v treadmill stop when running after couple of miles
Most likely a bad drive belt. Take the cover off the motor area. If you see black dust near the left side of the motor, replace the drive belt.
SOURCE: I have a horizon fitness, Quantum II treadmill.
im having this problem too if some one could email me how to fix it @ [email protected]
cheers
SOURCE: Treadmill (Vision Fitness T8500) turns on, motor doesn't run...
open motor shroud and inspect all connection on the motor control board see if all LED 's are lit except that light up when incline motor is moving up or down. then check the two connector coming from the drive motor to the board sometime over time the two connector will have a cold soldier I would move them to see any excessive movements of the pins then hit start and see if there is any belt movement. Last but not least unplug unit and check the motor brushes if they are less than 3/8 in in length replace them. Call them @ 1-800-335-4348 they under their parent corp. Johnson fitness.
SOURCE: Treadmill Incline Works, belt does not move
Check the drive belt. It may be loose or broken. If the belt is loose, then to tighten the drive belt, start by removing the front cover. loosen the bolts around the motor then tighten the drive belt by tightening the motor adjuster bolt. Once the drive belt is tight, tighten the motor back down.
SOURCE: horizon treadmill won't start running
power going to treadmill. it is beeping the whole time but wont start or move
E7-
1) Alternative Elevation Motor
1)Cause:
Elevation Motor not moving Solution:Check
Elevation Motor connection
2)Cause:
Elevation Elevation Motor screw binding Solution:
Clean screw and lubricate
3)Cause:
Elevation Motor Motor out of Range Solution:
Check motor out of elevation
4)Cause:
E-Motor Potentiometer: Solution:
Replace Elevation Motor
2)Alternative:
Display
Doesn't Light Up: a)Cause:
On/Off switch Solution:
Test unit is turned on b)Cause:
Insufficient Power Source Solution:
Plug
dedicated120V, 20Amp Outlet
c)
Cause: Line
Cord Damaged Solution:
Replace Line Cord
d)Cause:
Fuse Solution:
Check Fuse on MCB
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