Question about Nordic Track NordicTrack Treadmill, A2550

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Problem with Nordic Track treadmill C2155.

Everything powers up ok but when I hit the start button the walking belt starts off at a higher rate of speed and the immediatelly shuts down. I have checked for dirt and loose wires under the motor hood thinking there may be a short but everything looks good. Any suggestions?

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

maxtreadmill
  • 832 Answers

SOURCE: My Nordic Track treadmill has has 10 speeds (1mph

You should have a speed arrow up & down, this increases and decreases the speed in .1 mph. Try this control and see how the unit re-acts if the speed does not adjust in .1 mph increments or it stay the same either way it sounds like an upper board issue. Go to iconfitness.com go to customer service the replacement parts put you M# and will give part# and pricing.
RULE OF THUMB: IF REPAIR IS MORE THAN THE THE PURCHASE PRICE OF UNIT DOE NOT REPAIR

Posted on Feb 28, 2010

maxtreadmill
  • 832 Answers

SOURCE: My nordic track treadmill's walking belt stops

Unplug the unit remove the motor shroud inspect the drive belt if the rubber feel slick then my recommendation is to replace the drive belt. Adjusting the drive belt may take care of the problem if you do not need to adjust it too tight. If you choose to do the adjusting and feel you have adjusted the running belt thinking it would resolve the slipping, then back the tension down until it the running belt is slipping then adjust until the slippage is resolved.

Posted on May 18, 2010

  • 34 Answers

SOURCE: Nordic Track Ifit Treadmill has power but walking pad not working

If everything on the display console is working correctly then we know it is either a problem with the wires from the console to the controller or the controller itself. In most cases this means you need a new controller. To verify, take off the motor hood and find the green circuit board called the motor controller. With the power on go into manual mode and push the speed up button to a slow speed. If you see an LED light with "spd ctrl" next to it flickering but the belt still does not move then we know the problem is with the controller sending the signal to the walking belt, in which you should check the wires that go to the motor. If they are connected correctly then we know a new controller is in order. If you do not see a flickering light then it means the speed signal never got there and the problem will be with the wires going from the console to the controller. This is called an upright wire harness.

Posted on Aug 18, 2010

  • 3 Answers

SOURCE: C2155 treadmill 1 1/2 yrs old, Nordic track. Panel

I had the same problem with my Nordic track. I pressed every button until I found the one that did not beep. The one that does not beep is stuck. My problem was with the Ifit button. The first few times I would push the bad button until it started beeping. That worked for awhile (couple of weeks but started up again). I disconnected the Ifit unit and now the thing work fine except for Ifit which I never used. Nordic track wanted to sell me a new console which cost more than the machine.

Posted on Oct 31, 2010

AJIN G
  • 6694 Answers

SOURCE: i hav an a2105 nordic

hi,
You have to check the Driver circuit board for the motor. There is motor control IGBT Insulated Gate Bipolar Transistor) in this board .If the IGBT is short then the treadmill will try to run without setting any value or witout pressing the start button. You have to check the OHMS between the seocnd and third of lead of the IGBT. If it shows less than 100 Ohms then the IGBT is short and you have to replace the same. Also you have to check the connection to the control pannel. Is there is any loose conatct. Remove the connection in the motor control board which go to the control pannel and reconnect it. Also check the speed sensor. In most of the treadmill you can find the speed sensor near the motor pully. Remove the speed sensor and clean it and the refix it. Remember one thing remove the power of the treadmill and leave it for 30 minutes then only oppen the treadmill. Because there is high voltage storage capacitors in the motor control board which will hold charge for some time even after the power is disconnected. i ahve added the picture of IGBT for your refference

ok


ajin_g_43.jpg

Posted on Aug 14, 2011

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My nordic track treadmill's walking belt stops when I start walking on it but the motor is still running although the front roller is not moving when I start walking on the walking belt. Do you think the...


Unplug the unit remove the motor shroud inspect the drive belt if the rubber feel slick then my recommendation is to replace the drive belt. Adjusting the drive belt may take care of the problem if you do not need to adjust it too tight. If you choose to do the adjusting and feel you have adjusted the running belt thinking it would resolve the slipping, then back the tension down until it the running belt is slipping then adjust until the slippage is resolved.

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If everything on the display console is working correctly then we know it is either a problem with the wires from the console to the controller or the controller itself. In most cases this means you need a new controller. To verify, take off the motor hood and find the green circuit board called the motor controller. With the power on go into manual mode and push the speed up button to a slow speed. If you see an LED light with "spd ctrl" next to it flickering but the belt still does not move then we know the problem is with the controller sending the signal to the walking belt, in which you should check the wires that go to the motor. If they are connected correctly then we know a new controller is in order. If you do not see a flickering light then it means the speed signal never got there and the problem will be with the wires going from the console to the controller. This is called an upright wire harness.

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