Troubleshooting
11-1
11. Troubleshooting
11.1 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 display on the EtherCAT side
The
“RUN” LED is lit
ready for communication
Communication is not possible if it was unlit.
P. 8-1
The
“ERR” LED is unlit
Normal
If this LED was lit, turn the power OFF and then turn it back ON. If the problem persists,
replace this machine.
If it was flashing or lit, refer to P. 7-1 to check the power supply, address setting and
reception of signals and eliminate the cause.
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. 10-3 and eliminate the cause.
P. 8-1, P. 11-3
