NORDICTRACK TREADMILL NTL 61009.0. IT RUNS NEAR 19 MPH, AFTER PUSH SPEED BUTTON ARROW, WON'T STOP TILL UNPLUG MACHINE

Please note that these instructions don't apply to all models of treadmills. Many recent models, including all models with touchscreen consoles, do not have the capability for the user to calibrate the speed.
Speed calibration is a process that is used to correct imbalances in the machine's operating speed.
Please note that this procedure involves pushing the machine to its maximum speed very quickly. Do NOT stand on the treadmill while performing this procedure.
First, you need to enter calibration mode on the console. To do this, press and hold the STOP and SPEED INCREASE buttons (this will be either an up arrow or a + (plus) symbol). While holding these buttons, insert the safety key onto the console. This will cause the machine to go into calibration mode. After this has occurred, you may let go of the buttons and the safety key.
Next, press the stop button once. This will enter advance the screen to the next feature of calibration mode. As said previously, do not stand on the treadmill while performing this procedure. Press and hold the speed increase button. Watch the console. You will see a number on the display that will increase as you hold the speed increase button. Continue to hold the speed increase button until the number changes to "85." This will take the treadmill to its maximum speed, which will also be displayed on the console. Please note that the example below only demonstrates the console displaying "85", not the treadmill's operating speed.

• roperly connected to the NordicTrack and plugged fully into a grounded electrical outlet if the machine does not turn on. If the unit is plugged in correctly, look at the reset switch, located on the frame near the power cord. If the switch is flipped open, wait five minutes then push the switch back in.
• Remove the key from the console, wait a minute and reinsert the key back into the console if the buttons on the console are not functioning properly. If the console stays on when the key is taken out of the console, the device is likely still in "Demo" mode. Hold down the "Stop" button for a few seconds to turn off the "Demo" mode and restart the unit.
• Turn the machine off and unplug the machine if the console display is not working correctly. Wait a few minutes and plug the machine back into the electrical supply and turn on. The console should now operate correctly.
• Hold down the "Stop" and "Speed" buttons at the same time if the incline is not changing as desired. Insert the key into the console while holding down the buttons and then release the buttons. Press the "Stop" button and the arrows to increase or decrease the incline. This will cause the incline to recalibrate. Remove the key from the console unit.

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I have a NordicTrack C2155. Incline not working. There is a schematic inside. There are red, white, & black wires from the circuit board to the incline motor. Unplug the treadmill and have a licensed electrician construct a flying lead cord with a male spade on neutral and female spade plug on hot. Connect neutral to white and hot to where either red or black were connected. Plug in to see if the motor runs. Careful to remove power when the incline reaches its limit and reverse direction. If the motor runs in both directions, the motor is good. Follow the black two conductor wire to the circuit board and unplug from board. Check continuity across this switch. Run motor and this should toggle off and on. If all this checks out then the problem must be with the circuit board. On my treadmill, the schematic says that +5v should supply the sensor, but I only get +3.3v, which is TTL level. The drive motor sensor supply is +5v. The incline motor doesn't even show a sign of trying to run. Either the output transistor is burnt out or the low voltage caused an error so that it does not try to run the motor. Either way, I'm quite certain that a new controller board will remedy the problem.

Watch this video:

http://www.youtube.com/watch?v=23ZgWaVEQjA&feature=related
http://www.youtube.com/watch?v=-oeXTKqWECw&feature=related
http://www.youtube.com/watch?v=GPI6dFJCUA4
http://www.youtube.com/watch?v=MIIxoPtvhy8
http://www.youtube.com/watch?v=bF3OyQ3HwfU&feature=related

Check the power cord to ensure it is connected to the power supply and the treadmill if the power does not stay on or does not turn on. Look at the circuit breaker, located near the base of the unit, to see if the circuit was tripped. Push the switch back in to reset the circuit.

2 Take the key out of the console, wait a minute and place it back in the console to resolve issues with the power turning on and off during use or if the console displays are not functioning properly.

3 Remove the console key and press the "Stop" button to turn off the "Demo" mode, which is often the default setting when the treadmill is first purchased.

4 Reset the incline by holding down the "Stop" and "Speed increase" buttons and putting in the console key. Release the buttons and then press the "Stop" button, followed by the down or up arrows for the incline. This step can be taken if errors are occurring with the incline function.

5 Turn the treadmill "Off" and unplug the unit if errors continue. Wait five minutes and then plug the unit back on, insert the console key, and turn the treadmill "On." This will reset the treadmill and should return to normal funcTION

How to Troubleshoot a Nordic Track C2500 X Jolie Johnson

Based in Austin, Texas, Jolie Johnson has been in the fitness industry for over 12 years and has been writing fitness-related articles since 2008 for various websites. She received her Bachelor of Arts in English and philosophy from the University of Illinois.
By Jolie Johnson, eHow Contributor

updated April 15, 2011

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The NordicTrack is a treadmill designed for in-home use. It offers a speed range of 0 to 10 mph and an incline range of 0 to 10 percent. It folds up vertically to save space when you aren't working out and can be rolled to a different room. The console has 16 preset workout programs and features iFit interactive technology. If you have problems with the console or walking belt, you can often fix them yourself with some basic troubleshooting steps
Instructions

1. Power Turns Off When You're Using the Treadmill
   • 1 Check the reset switch on the bottom of the treadmill near the power cord. If it has tripped, the top of the switch will protrude. Wait 5 minutes then press the switch.
     
   • 2 Check that the power cord is plugged in completely. If it is plugged in, unplug it, wait 5 minutes then plug it back in.
     
   • 3 Remove the magnetic key from the console then reinsert it.
     
   The Console Won't Turn Off
   • 1 Insert the magnetic key into the console. Your C2500 is stuck in demo mode if the console won't turn off after you remove the magnetic key from the console.
     
   • 2 Hold the "Stop" button down for a few seconds.
     
   • 3 Press the "Speed" down (-) button. Remove the magnetic key.
     
   The Incline Does Not Change Correctly
   • 1 Press and hold the "Stop" and the "Speed" up (+) button. While holding the buttons, insert the key into the console, then release the buttons.
     
   • 2 Press either the "Incline" up or down arrow button. Wait while the incline raises and lowers. This recalibrates the incline system.
     
   • 3 Remove the key from the console.
     
   Walking Belt Slows
   • 1 Unplug your C2500 and remove the key from the console.
     
   • 2 Turn both rear adjustment bolts, located on the back of the walking deck, to the left, a 1/4 turn.
     
   • 3 Lift the edge of the walking belt in the middle of the deck. You should be able to lift it 2 to 3 inches off the walking platform. If the belt is still too tight, loosen the bolts another 1/4 turn each.
     
   • 4 Plug the treadmill in and reinsert the console key. Walk on the belt at a slow speed to see if it still slows. Repeat Step 2 if necessary.
     

Manual with troubleshooting guide
https://www.sportsmith.net/images/product_support%5CNordicTrack%5CNTL10850%20-%20NORDICTRACK%20A2050%20TREADMILL%5CNTL1085.0-214878.pdf

https://www.justanswer.com/fitness-equipment/3tp0k-nordictrack-a2050-treadmill-just-recently-won-t.html


https://www.youtube.com/watch?v=Lx9zhfXok2A
https://www.sportsmith.net/images/product_support%5CNordicTrack%5CNTL10850%20-%20NORDICTRACK%20A2050%20TREADMILL%5CNTL1085.0-214878.pdf

I had the same problem with my Nordic Track. I had somehow changed the display to metric readings.

Solution: Hold the stop button down while inserting the key, push the speed up or down button to change it back to english, remove key and you are good to go. Re insert the key and it should work fine. Hope this helps.

Remove the console from the treadmill and remove the back
remove and replace the ribbon cables that run from the keypads to the control board (they are flat plastic strips that push into the board).
remove and replace all the connections on the console
reattach the console and calibrate by doing the following:
1. With the key off press the speed + and stop buttons at the same time and hold
2. place the key on and release the buttons
3. press the stop key once
4. press the speed up til it reaches 85
5. if your max speed is 10 mph then it should read about 9.8-10.2

If the keys will not work then the console is bad and would need replaced.