Question about Nordic Track NordicTrack Treadmill, A2550
I'm not sure if it's model A2550 but it says EXP 1000 below the control panel on the base. Anyway, the belt is all the way to one side and I can't move it, whenever I go over 4 speed there's really bad friction and noises.
See the video and proceed according. lube the rollers bearing front+back too.
God bless you
Posted on Oct 23, 2013
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Posted on Jan 02, 2017
if you hear the motor moving with no belt turning the problem is either the front roller or the drive belt. If there is no motor movement then this is usually an indication of a bad control board located under the lower section of the treadmill.
Posted on Nov 13, 2009
My EXP000 is doing the same thing. But it is doing it when it is cold also.
Posted on Nov 18, 2009
Your treadmill runs on a permanent magnet DC motor. If it is running backwards someone has swapped the pos and neg leads where it connects to the motor control board MC-60. OR
the brushes were removed from the motor, and installed into the WRONG locations. there is a plus sign and a neg sign on the end cap of the motor, make sure the RED wire is going to the pos sign,.and so forth.
to get to the motor you'll need to remove the 4 phillips head screws FROM the bottom of the motor enclosure: lay the unit on it's side to get to them. 2 in the front,.and 1 on each side. If it doesn't come off easy,.you've missed a screw.
Lay the unit back down, and start digging in.
Lastly, you can verify the MC-60 is outputting the wrong polarity voltage with a voltmeter. Disconnec the motor and connect your voltmeter on a 20 volt DC range ( at least). plug your unit in, and turn it on at 3 mph. you should see positive voltage applied to the read lead.
It's very unlikely that the control board would swap the polarity, so, my bet is,...the wires are switched.
Posted on Jan 26, 2010
Inspect belt and deck. The deck should be smooth without any grooves, pits, or exposed wood. The belt should have a consistent ridged feel from one side of the belt to the other (a belt can be worn out without any sensory signs of a problem). If you feel deep grooves in the deck or uneven wear on the underside of the belt, part replacement is necessary. Visually look at the underside of the belt. It should have a consistent look. Black streaks in the belt are a sign of bottom-layer wear through. Very worn belts will feel smooth in the areas you normally walk- you would think smooth is good but not in belts because the smoother the belt, the more contact area. Continued use of your treadmill may damage expensive electrical components. 85% of all Treadmill problems are cause by worn belt and deck I would revisit the scene of the crime again.
Posted on Jun 11, 2010
1) Try to loose a little the drive belt, for to avoid a higher tension.
2) LUBE very well the deck belt, must shure is worn, proceed with the instruction manual maintenance.
3) Test the input voltage motor, if there are voltage the motor need repair
4) Test the output voltage board, for input voltage motor, if there are NOT the board is faultyl.
See my personal TIPS for HELP.
Try to RUN THE software calibration for diagnose, and troubleshooting
sincerely. God bless you
Posted on May 06, 2012
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