Re: compact 5: advance motor "humming"

bastiensphoto@...
 

It is on the Z-axis only, the X-axis work fine (as the spindle motor:) ).
i know for fact that the motor itself work fine (when i plug it into the other plug it work perfectly)

i puled the 113.001 board (the stepper board) but i don't know how to test a transistor ...

the motor "humm" wen i try to move it in low speed at high speed, it just make more noise, seem to vibrate more, but does not move any better ...

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