Question about Precor C956i Treadmills with HR / WholeSale

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Noisy precor treadmill motor

When I turn the unit on, there is a very loud guttural sound coming from the motor which never goes away. 9/10 on a 1/10 scala.Also, a faint tinny sound is detected from inside the motor. At low speed, the motor occasionally changes speed with no apparent reason.

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  • Precor Master
  • 832 Answers

That sound is due to the bearing failing inside the motor this is cause by capacitance discharge thru the armature thru the bearings. these unit can be rebulit I 've done plenty

Posted on May 14, 2010

  • John Mazmanian
    John Mazmanian May 14, 2010

    that sound is due to the bearing failing inside the motor this is cause by capacitance discharge thru the armature thru the bearings. these unit can be rebulit I I've done plenty

  • joelhinsaw Mar 17, 2011

    We have a couple Precor 954i treadmills that hav ethe same noise problem with the motor. I called Precor and they said the replacement motor is the same as the orginal. I do not want to buy the same motor if it is going to have the same problem a couple years down the road.
    I would prefer to fix the motors if possible. I asked a couple service tech guys in my area and they say it is very hard to get the bearings out of the motor and to put back in.
    Any advice on how to repair the motors is appreciated.

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1 Answer

I recently bought a used Precor 954i it worked fine then when i brought it home and wired it in with a 20amp breaker and 240 volt im getting error 29 as soon as i turn the machine on any ideas?


Precor Error 29, Excessive AC Input Current Probable Cause 1. The running belt and/or deck are badly worn.
2. Bad lower PCA.
3. Drive motor is shorted or de-magnetized causing a high power demand.
Corrective Action
  1. Check the amp draw using a clamp on AC volt-amp meter during loaded and no load conditions and compare values to a similar treadmill that is known to have a good running belt and deck. Replace the belt and/or deck if necessary. Don't forget, some units have a double sided deck which means it may be flipped over rather than replaced if it has an unused side.
  2. Test unit with a known good lower PCA. Replace lower PCA if necessary.
  3. Test unit with a known good drive motor. Replace drive motor if necessary.
Precor Error Code 29 Replacement Parts for Fitness Exercise Equipment at SPORTSMITH

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most prob one of sensor / connection gone bad

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Treadmill keeps stoping


Precor Error 27, Too Much Drive Motor Current Probable Cause 1. The running belt and/or deck are badly worn.
2. Drive motor is shorted or de-magnetized causing a high power demand.
Corrective Action
  1. Check the amp draw using a clamp on AC volt-amp meter during loaded and no load conditions and compare values to a similar treadmill that is known to have a good running belt and deck. Replace the belt and/or deck if necessary. Don't forget, some units have a double sided deck which means it may be flipped over rather than replaced if it has an unused side.
  2. Test unit with a known good drive motor. Replace drive motor if necessary.
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Jan 27, 2014 | Life Fitness Treadmill Precor C954 (Used)

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Motor making loud buzzing noise


The grinding noise could be asking for lube. If that is possible, do it.

Dec 13, 2013 | Precor C956i Treadmills with HR /...

1 Answer

Upon powering up my precor treadmill goes straight to the highest incline


hi,
Your treadmills motor controlling circuit have some problem. thats why you cant adjust its speed. its running at its high speed because its motor controlling IGBT become shorted. As these potion of your treadmill is a high voltage point, i will recommend you to consult the manufacturer for support.
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Jun 07, 2011 | Life Fitness Treadmill Precor C954 (Used)

1 Answer

What does error 29 mean on a precor C954i?


Precor Error 29, Excessive AC Input Current Probable Cause 1. The running belt and/or deck are badly worn.
2. Bad lower PCA.
3. Drive motor is shorted or de-magnetized causing a high power demand.
Corrective Action
  1. Check the amp draw using a clamp on AC volt-amp meter during loaded and no load conditions and compare values to a similar treadmill that is known to have a good running belt and deck. Replace the belt and/or deck if necessary. Don't forget, some units have a double sided deck which means it may be flipped over rather than replaced if it has an unused side.
  2. Test unit with a known good lower PCA. Replace lower PCA if necessary.
  3. Test unit with a known good drive motor. Replace drive motor if necessary.
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Apr 06, 2011 | Precor C954i Commercial Treadmill

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Hi, my Precor 9.21 treadmil was working fine, however all of a sudden it became unblanced, i stop it to see what the problem was and then it dropped from about 3 inch, and now there is no power, would...


Unplug unit remove motor shroud take a look at incline motor frame assembly, by the sound of it maybe metal fatigue failure disengaging the incline motor itself and could have damage it. This would be my best guess if so contact Precor.

May 20, 2010 | Precor 9.21 Treadmill

1 Answer

I just bought a reconditioned C956 model. The


hat sound is due to the bearing failing inside the motor this is cause by capacitance discharge thru the armature thru the bearings. these unit can be rebulit I 've done plenty

Apr 13, 2010 | Precor C956i Treadmills with HR /...

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