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  • alvenegas commented on jpitz31's instructable Fix Your NordicTrack Exercise Bike 2 years ago
    Fix Your NordicTrack Exercise Bike

    It does move. I hooked a voltmeter to the yellow and blue terminals at the motor and hit the - and + sign on the console. The console also has five buttons for pre-set resistances (1-4-8-12-16). If I hit 1, then it goes all the way to the minimum resistance level, so that works, then if I press 4, then it shows 5V for a while and it seems to me that goes farther than level 4. If I hit 8 then it does not do anything, then, I press 12 goes to the max and make some sort of adjustment. Pressing 16 shows a slight change in voltage but very quickly though. I could press 8 and then use the - sign and it would adjust, but that is not always the case. Anyhow, the conclusion is that if the motor works, then the board is faulty. I thought that maybe the resistance was bad even when applyin...

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    It does move. I hooked a voltmeter to the yellow and blue terminals at the motor and hit the - and + sign on the console. The console also has five buttons for pre-set resistances (1-4-8-12-16). If I hit 1, then it goes all the way to the minimum resistance level, so that works, then if I press 4, then it shows 5V for a while and it seems to me that goes farther than level 4. If I hit 8 then it does not do anything, then, I press 12 goes to the max and make some sort of adjustment. Pressing 16 shows a slight change in voltage but very quickly though. I could press 8 and then use the - sign and it would adjust, but that is not always the case. Anyhow, the conclusion is that if the motor works, then the board is faulty. I thought that maybe the resistance was bad even when applying voltage to it would move. So, how does it work? Why is it that it has also the red, black and white leads? I checked and black and red always has 3V. Red and white also show 3V, but when the resistance buttons are pressed, then blue and yellow show 5V. So the idea of having the momentary button is to indicate the amount of time you want the voltage to run through it, right? So, in a sense, the step resistance would be highly arbitrary, correct? Therefore, leaving it pressed would reach to the max, while pushing it for a second or so, would be similar as going one step above if the DPDT switch is up, or a lower resitance level if it is down.Thanks very much for your time and reply. I was searching for a long time on the net and your post was what I was looking for.

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