Question about Nordic Track NordicTrack Treadmill, A2550
All power seems to be good. when turned on the display tests good then FF comes up and nothing else happens.
Hold down the speed up button and the stop button while inserting the operator key,if a bunch of numbers come up hit stop once, if nothing changed the console is bad.If the numbers change pull the key and reinsert it again, if nothing changes the console is bad.Also there usually is a tech sheet and test mode guide on the inside of the motor cover if you remove the screws and take the motor cover off you will see a white paper with lots of info.
Posted on Aug 01, 2009
Hello there, The calibration mode for a nordictrack is as follows.
With the safety key out, hold the stop and speed up arrow at the same time while inserting the key. Release the buttons. You will then be in diagnostics.
You then press the stop button one time.
If you are trying to calibrate the incline you just need to hit the incline up button and the machine will do an incline calibration. The unit should go all the way to the top and return to the bottom when completed.
If you need to calibrate the speed you will need to press and hold the speed up button on the console until the display reads 85. The machine should then be running at its maximum speed (either 10 or 12 mph depending on the unit)
The display will show a speed on the console and should be within .3 of the maximum speed.
If it is not then it will need to be adjusted using a potentiometer on the control pwb.
To access the control pwb open the hood cover. Should be 3 screws in the rear of the cover and 2 screws on the bottom of the unit.
Once inside the cover locate the control pwb. On the control pwb there will be a yellow/orange potentiometer. This is the adjusting part.
Use a non-metallic phillips head screw driver to adjust the potentiometer either clockwise for faster or counterclockwise for slower.
Hope this helps!
Good Luck! Tim
Posted on Jan 13, 2010
Testimonial: "Although I haven't attempted this solution, but it makes perfect sense and will attempt it as soon as I get back to the treadmill - Thank you"
I know it's been months, but, if you still have this problem try this: 1. remove the philips screws holding the motor/belt/electronics cover on: you can lay the whole thing on it's side and remove them from the bottom. there's two in the front and two on the sides.
2. Obviously, unplug the unit! before doing anything. lay the unit back on it's feet (normal position)
3. Find the incline motor assembly. it will be int he middle of everything. black tube thingy.
4. take a cordless drill with a flat head screw driver bit, and turn the incline motor CCW. until the bed is flat.
5. what what I have read, you should shop for a new incline sensor. these fail before the motor does.
Posted on Jan 26, 2010
Have you lubricated the the running deck? The lack of lubrication can increase friction thus causing the GFI to trip. simple test start the treadmill do not walk on a see if the GFI is tripped in it does trip then lubricate, then if after lubricate it still the you have a worn belt and possibly damaged deck depending replacement price and on what you paid for the treadmill it may or may not be worth fixing.
Posted on May 20, 2010
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
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