
-104-
No. JXC
※
-OMT0002-C
17. Troubleshooting
Refer to the table below for troubleshooting. When none of the causes in the troubleshooting are
possible to be confirmed, it is presumed that the product is faulty and normal operation could only be
recovered by the replacement of a part.
It is possible that this product may be damaged due to the operating conditions (applications). Please
contact SMC to discuss appropriate measures.
17.1 Operation Errors
Problems
Possible
causes
Investigation method
Countermeasures
Does not
operate at
all.
Power fault
Check that the green LED (PWR) on the
controller is ON?
Check the power, voltage and current
supplied to the controller.
-> 4. Product Specifications
-> 6.1 Connector specifications
Stop command
Check that 24 VDC is supplied to the
EMG terminal.
If it is not energized, the servo will be OFF
and does not operate.
Supply 24 VDC to the EMG terminal.
External
equipment
failure
Check that the PLC connected to the
controller is operating correctly.
Check the operation of a single actuator
of the controller with a test run.
Refer to this Operation Manual and take
appropriate measures.
->3.9 EtherNet/IP communication setting
and checking
Communication
failure
The MS green LED is flashing
(1) Set up configuration correctly.
→
5.2. PLC setting (Configuration)
(2) Set PLC in RUN status.
The MS red LED is flashing
Set up configuration correctly.
→
5.2. PLC setting (Configuration)
The MS red LED is on
Stop using the product. Contact your sales
representative.
The NS LED is off
It is necessary to set the IP address by the
rotary switch of the controller.
→
5.1 Controller setting (IP address setting)
The NS green LED is flashing
Check the following and restart.
(1) Signal line from PLC is connected
correctly.
(2) Communication speed of PLC is
appropriate.
(3) Wire the communication line away
from the noise source.
The NS red LED is flashing
Check the following and restart.
(1) Signal line from PLC is connected
correctly.
(2) Communication speed of PLC is
appropriate.
(3) Wire the communication line away
from the noise source.
The NS red LED is on
Reset IP address to a value that has not
been used yet.
→
5.1 Controller setting (IP address setting)