DMA882S Digital Stepper Drive User Manual
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11. Protection Functions
To improve reliability, the drive incorporates some built-in protections features.
Over-current protection activated when peak
current exceeds the limit.
Over-voltage protection activated when drive
working voltage is greater than 160VDC
When above protections are active, the motor shaft will be free or the red LED blinks. Reset the drive by repowering it
to make it function properly after removing above problems.