Although it is fairly rare the incline motor can jam up into the highest position and get stuck there. To fix this take off the plastic hood that covers the incline motor and depending on the motor you should be able to wind it with your hand out of the highest position. When it is out of the highest position run the calibration as described in the owner's manual and it should go all the way up and all the way down. If it is not this type of motor that can be wound by hand then the first and last thing to do is to try calibration of the incline as described in your manual. If this does not work then a new incline motor is needed.
SOURCE: treadmill stuck on highest incline....and motor
If the incline is stuck, it could be a problem as simple as the gearbox on the motor being jammed. Unplug the treadmill remove the motor shroud then remove the incline motor from the treadmill, reconnect the wiring, plug in the treadmill and then try to run the incline motor outside the treadmill. Many times, this will unjam it if that is the problem and then reinstalling it in the treadmill will get it to work. If you have the same problem or it doesn’t run outside the machine and you can hear it try to work, you need to replace the incline motor.
If the incline motor does not move, we need to figure out if the motor is getting voltage. Use a simple multi-meter and set it to AC volts. When you put it into calibration, it tries to calibrate the directions one at a time. Measure across the white and black wires first, then measure across the white and red wires second. If the motor is getting voltage you will read 120VAC (or
thereabouts) one one of the measurements. If you have voltage but the motor won't move, you need to replace the motor.
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If the incline motor does not move and you have done the voltage test and you do not have any voltage present, there is a problem in the electronics board that supplies the power, you need to replace the board.
SOURCE: my smoothfitness 5.25 treadmill is stuck in the
Unplug your unit take the motor shroud off and you will see a circuit board (Motor Control Board) their should be L E D s on the board. Now plug your unit in and you will see these light up if you have a second pair of hands that can help you have them press you incline controls.
You should see one of these L E D s light up followed with a click of a relay this activate the incline motor some of these boards will have a 3 amp fuse to protect the board from damage , if you see a open fuse replace it with the same exact fuse. If it blows again either you have a shorted armature winding or the worm screw is frozen. I would call Smooth Fitness, depending wiether this was made by either Sports Art Fitness or Keys Finess they will direct you to theproper parties.
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did you recalibrate?
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