Question about NordicTrack E4000 Treadmill

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When I turn on my nordictrack e4400 it runs for 1 second and then stops

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  • NordicTrack Master
  • 6,694 Answers

There are two possibilities for this problem
1. Check the speed sensor on near the motor pulley. Remove the sensor and clean it and re-fix it. then make a try. if problem remains then
2. The motor speed controller is faulty. There is an IGBT for controlling the motor speed. If it get shorted the motor will run it its high speed.

Be sure before opening the treadmill remove the power.

Posted on Mar 22, 2011

  • garyf832 Mar 22, 2011

    do I replace the whole computer board?

  • Electro Med Services
    Electro Med Services Mar 23, 2011

    Before going to replace the controll board. just check the speed sensor. if the speed sensor is faulty the controll board will not get the information of the RPM of the motor. The speed sensor counts the RPM of the motor and send the same to the contoll card. If the controll card will not get this iformation it will stop the motor. You can see tthe spped sensor near motor pulley. It will have two or four wire running from it , which goses to the control card on the top.
    Just remove the speed sensor and clean it well. Refix it and start the treadmill and check is it working or not. Remember one thoing before removing the cover of the treadmill be sure to remove the power from the wall outlet. ok



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Posted on Jan 02, 2017


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Hope the speed sensor have some problem may dust on it or the treadmill need lubrication. Most of the treadmill stop after some kilometres reading indicating that its time to lubricate it. After lubrication you have to reset the counter.
check the link bellow using the search tab find out details of NORDICTRACK A2350. and follow those instruction.

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Belt moves for split second then stops

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Hi I need a copy of the Nordic Track E4400 owners manual. Do you have any idea where I can get one? Please let me know. Thank you

Please go to the next web page: free download


sincerely. God bless you.


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1 Answer

When I turn on the treadmill, the top console lights up, but the bottom half of the console won't work except for 2 buttons. The START button will start the treadmill at 1 mph (stop will not...

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