Troubleshooting
12-1
12. Troubleshooting
12.1 Visual check
Each unit has a status display function via LED, and errors related to the operating state of the unit or
communication can be narrowed down by checking this LED.
When any LED displays an error, review the setting and wiring to correct the error.
(1) Gateway LED status check
1. LED indication on PROFINET
“MS_G” LED is lit. Normal communication is enabled.
Communication is not possible if it was unlit.
P. 8-1
“MS_R” LED is lit.
When “NS_R” LED is lit or flashing, eliminate a possible cause by referring to the manual for
the PROFINET master unit being used.
P. 8-1
2. LED display on the AnyWireASLINK side
Check the “LINK” LED.
The “LINK” LED is flashing Normal
If the LED is unlit, check that 24V power is being supplied.
If power is being supplied, or if the LED is lit, replace this machine.
P. 8-1
Check the “ALM” LED.
The “ALM” LED is unlit Normal
If it was flashing or lit, refer to P. 7-1 and P. 11-3 and eliminate the cause.
P. 8-1, P. 12-3
(2) Check the LED state of the slave unit
1. Check the “LINK” LED.
The “LINK” LED is flashing Normal
If it the LED is not flashing, refer to P. 11-4 to remove the cause of the error.
P. 12-4
2. Check the “ALM” LED.
The “ALM” LED is unlit Normal
If the LED is not unlit, refer to P. 11-4 to remove the cause of the alarm.
P. 12-4
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