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Many of the problems that affect motion control systems can be traced to software errors, mistake in wiring, or
electrical noise. In the event that your DMC5400 doesn't operate properly, the first step is to identify whether the
problem is software or hardware 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.
If the DMC5400 still can't operate properly after following the troubleshooting form, please contact Leadshine
Technical Support staff at: tech@leadshine.com.
Table 6-1: Troubleshooting form
Symptoms
The host computer can't
find the DMC5400.
Can't
communicate
with
the
application
software or can't call
API functions
Motor doesn't move.
Tel: +086 0755-26434369
Chapter 8 Troubleshooting
1. The driver has not been installed correctly. Remove the driver and uninstall the
DMC5400, then reinstall the driver according with "Driver installation" section in
"Software Manual for the DMC5400 Motion Controller".
2. The DMC5400 has not been installed in PCI slot correctly. Make sure the DMC5400
is installed in a good PCI slot; clear the gold fingers and PCI slot if necessary and then
reinstall the DMC5400.
3. Conflict with the computer mainboard or other hardware.
4. The DMC5400 failure; contact Leadshine for help or repair.
1. The host computer can't find the DMC5400, see above contents.
2. The DMC5400 has not been initialized before calling other functions. Please call
d5400_board_init function to initialize the DMC5400 before calling other functions.
3. The DMC5400 failure; contact Leadshine for help or repair.
1. Wrong wiring. Wiring correctly and fix wires firmly.
2. Motor driver or motor failure.
3. The PUL/DIR control signal type has not been correctly set. See descriptions about
J1-J8 jumpers and d5400_set_pulse_outmode function.
4. No PUL/DIR control signal output from the DMC5400, please check the J9&J10
setting and the power supply for PUL/DIR control signals.
5. The emergency stop signal EMG is effective. Please check the EMG signal logic
setting (J11) and the EMG signal.
6. The alarm signal ALM is effective. Please check the ALM signal logic setting and
the ALM signal.
7. The PUL/DIR control signal is too weak causing by too large current limit resistor in
series with the driver.
8. The DMC5400 failure; contact Leadshine for help or repair.
Email: sales@leadshine.com
Hardware Manual for the DMC5400 Motion Controller
Possible Problems
Page: 33/36
Web Site: www.leadshine.com
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