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J4 Motor trembling

 
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Avatar of Pierre MarcheboutDSS
 Pierre MarcheboutDSS
(@pierre-marcheboutdss)
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Joined: 3 months ago
Posts: 3
Topic starter 23/07/2025 5:59 pm  

Hi. Initially, my j4 motor was working great. I have checked all connections, replaced the motor, and it is still trembling when I try to Joggle. Any ideas what could be causing the problem?>



   
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Chris Annin
 Chris Annin
(@chris-annin)
Member Admin
Joined: 3 months ago
Posts: 538
23/07/2025 5:59 pm  

typically when a motor is trembling its the motor wiring for A+A-B+B- does the motor you received from stepperonline have the typical wire colors per the spec sheet here?

OMC-STEPPERONLINE.COM "https://www.omc-stepperonline.com/nema-11-dual-shaft-stepper-motor-bipolar-l-51mm-w-gear-ratio-14-1-planetary-gearbox-9-5mm-rear-shaft-length.html"



   
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Avatar of Pierre MarcheboutDSS
 Pierre MarcheboutDSS
(@pierre-marcheboutdss)
Active Member
Joined: 3 months ago
Posts: 3
Topic starter 23/07/2025 5:59 pm  

Yes, I reviewed cables. I ended up changing the driver. Unfortunately, i also bought another motors. Thanks a lot for you help and for your amazing contribution.



   
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