1. 

   tiagomaricate Member

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   Well, this is the first time this happens.
   I was doing the bed leveling calibration.
   
   
   

    

   #1 tiagomaricate, Aug 9, 2020
2. 

   mark tomlinson ༼ つ ◕_ ◕ ༽つ

   Staff Member

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   I have not personally seen it, but sometimes the stepper drivers can "sing" a bit when active.

    

   #2 mark tomlinson, Aug 10, 2020

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