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Proform j8li my treadmill lights up,incline/decline and turns on,but the motor doesnt make a sound and the treadmill wont move

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proform j8li - 810d2c26-b790-49c1-9641-93b05ea219e6.gifSee the video and lube .Of course you must do the same thign with rollers bearing front +back. Test the drive belt motor, and replace the belt if necessary.
However if after you lube the problem remain, is TIME to replace the deck belt by new ones.
You must test the control board, measure the input voltage for motor, if there are voltage the motor is faulty.
measure the output from control board if there are NOT voltage for input voltage motor, the control board is faulty , replace see the block diagram
God bless you

Posted on Aug 02, 2013

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Posted on Jan 02, 2017

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SOURCE: I have a proform j8li treadmill, all 4 led lights

I have the exact same problem with the very same treadmill that i bouth 10 years ago and it has been sitting for 5 years unused. The last time it was turned on it worked but now that I plug it in and try to start it, everything works but the belt drive motor. Any ideas?

Posted on Feb 09, 2010

ercupa190
  • 12223 Answers

SOURCE: incline and decline wont move, so the belt wont move either. Have a jazfit treadmill

1)LUBE THE DECK BELT, INMEDIATELY.
2) tES THE MOTOR INPUT VOLTAGE, IF THER ARE THE MOTOR NEED REPAIR.
3) tEST THE OUTPUT VOLTAGE BOARD, FOR INPUT VOLTAGE MOTOR, IF THERE ARE NOT THE BOARD IS FAULTY.

4) tRY TO RUN THE SOFTWARE CALIBRITATION.

SINCERELY.GOD BLESS YOU

Posted on May 08, 2012

ercupa190
  • 12223 Answers

SOURCE: My proform 685 LT treadmill will only incline and decline when turned on. It does this automatically. The belt will not run at all.

Run the software calibration for diagnose, troubleshooting, and fix it.
2) LUBE the deck belt, this happen by lack of maintenance, maybe you have the deck worn.
3) lube the rollers bearing too
4) measure the input voltage motor, if there are the motor need repair.
5) measure the output voltage board, for input voltage motor, if there are NOT the board is faulty.
God bless you
see the diagram
7_24_2012_5_13_27_pm.gif7_24_2012_5_14_48_pm.gif7_24_2012_5_15_27_pm.gif

Posted on Jul 24, 2012

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http://electro-medical.blogspot.com/

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Why won't my treadmill incline or decline?


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Pftl788071 incline


Sounds like the button on the panel is stuck somehow, I think this because when you switch the wires this would reverse the polarity to the incline motor.

can you tell if the panel is recognizing the pushing of the incline buttons, like with a beep or light or something? If it didn't seem like it's responding this may be because one button is constantly stuck down.

Apr 14, 2014 | Proform Exercise & Fitness

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Incline stuck


Run the software calibration for fix it.go under the HOOD motor and follow the steps or use the owner manual
God bless you

Jul 26, 2013 | ProForm 775 CT Treadmill

1 Answer

My proform 685 LT treadmill will only incline and decline when turned on. It does this automatically. The belt will not run at all.


Run the software calibration for diagnose, troubleshooting, and fix it.
2) LUBE the deck belt, this happen by lack of maintenance, maybe you have the deck worn.
3) lube the rollers bearing too
4) measure the input voltage motor, if there are the motor need repair.
5) measure the output voltage board, for input voltage motor, if there are NOT the board is faulty.
God bless you
see the diagram
7_24_2012_5_13_27_pm.gif7_24_2012_5_14_48_pm.gif7_24_2012_5_15_27_pm.gif

Jul 23, 2012 | Proform 695 LT Treadmill

1 Answer

Incline and decline wont move, so the belt wont move either. Have a jazfit treadmill


1)LUBE THE DECK BELT, INMEDIATELY.
2) tES THE MOTOR INPUT VOLTAGE, IF THER ARE THE MOTOR NEED REPAIR.
3) tEST THE OUTPUT VOLTAGE BOARD, FOR INPUT VOLTAGE MOTOR, IF THERE ARE NOT THE BOARD IS FAULTY.

4) tRY TO RUN THE SOFTWARE CALIBRITATION.

SINCERELY.GOD BLESS YOU

May 08, 2012 | Exercise & Fitness

1 Answer

Treadmill keeps inclining and declining . It won't stop!


I have a Proform ZT5 model - had the same incline/decline problem. It needed calibrated.
- unplug, turn off, and take the key out
- plug machine in
- turn switch on
- Pres and hold the STOP and SPEED UP button at the same time, while holding them insert the RED KEY
- let go of both buttons
- press STOP 1 time
- pres INCLINE UP 1 time
- this should reset it.

The tech on the phone mentioned the importance of turning the maching off, taking the key out, and unplugging after each use. Leaving it plugged in there is still an electrical current running and this can cause more seriouc problems that require a new control panel.

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1 Answer

My T81 treadmill quit working. All of the lights and bells and whistles all work but the belt doesnt move and the incline doesnt move. Ive only had it for about 2 years. It was working fine before I moved...


you need to check voltage going to the motors. no power ,the contoller board is not working. check the connections on the boardmake sure they are in all the way,also the power connections

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1 Answer

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If the incline moves but only just a bit, it could be a problem as simple as the gearbox on the motor being jammed. We remove the motor from the treadmill, reconnect the wiring, 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.

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I have a proform j8li treadmill, all 4 led lights work properly. Console lights all seem to work. Incline works fine but no belt motor function


I have the exact same problem with the very same treadmill that i bouth 10 years ago and it has been sitting for 5 years unused. The last time it was turned on it worked but now that I plug it in and try to start it, everything works but the belt drive motor. Any ideas?

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