DM542T Full Digital Stepper Drive Manual
11.Frequently Asked Questions
In the event that your drive doesn’t operate properly, the first step is to identify whether the problem is electrical or
mechanical in nature. The next step is to isolate the system component that is causing the problem. As part of
this process you may have to disconnect the individual components that make up your system and verify that they
operate independently. It is important to document each step in the troubleshooting process. You may need this
documentation to refer back to at a later date, and these details will greatly assist our Technical Support staff
in determining the problem should you need assistance.
Many of the problems that affect motion control systems can be traced to electrical noise, controller software
errors, or mistake in wiring.
Problem Symptoms and Possible Causes
Symptoms Possible Problems
Motor is not rotating
Motor rotates in the wrong direction
The drive in fault
Erratic motor motion
Motor stalls during acceleration
Excessive motor and drive heating
Microstep resolution setting is wrong
DIP switch current setting is wrong
Motor phases may be connected in reverse
DIP switch current setting is wrong
Something wrong with motor coil
Control signal is too weak
Control signal is interfered
Something wrong with motor coil
Current setting is too small, losing steps
Current setting is too small
Motor is undersized for the application
Acceleration is set too high
Power supply voltage too low
Inadequate heat sinking / cooling
Automatic current reduction function not being utilized
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