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Inadequate stepper power supply and/or improper setting of the stepper driver current limit can lead to such behavior.
For more help, please explain how you set the current limit, post a wiring diagram and links to the motor and motor power supply data sheets. Image posting guide
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Please follow forum directions, as described in the "How to use this forum" post.
Videos are a waste of time.
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Your Title suggest to me that the problem may be as simple as having got the STEP and DIRECTION connections mixed up.
...R
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