Troubleshooting
11-1
11. Troubleshooting
11.1 Visual check
Each unit has an LED status display function so that errors related to the operating state of the unit or
communication can be narrowed down by checking the LEDs. When any LED displays an error, review the
setting and wiring to correct the error.
(1) Check the LED state of the gateway
1. LED display on the Ethernet side
The "LINK.E" LED is lit
Normal
If the LED is unlit, this may be due to the power being off or an error. Check the LAN cable connection.
P4-1
The "ACT" LED is flashing
Normal
If the LED is not flashing, this may be due to the power being OFF or an error. Check the LAN cable
connection or the IP address setting.
The "ACT" LED is unlit
Normal (or the power is off)
P4-1
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.
Replace this device if 24V power is being supplied or if the LED is lit.
P4-1
Check the "ERR" LED.
The "ERR" LED is unlit
Normal
If the LED is flashing or is lit, refer to P11-3 to remove the cause of the error.
P11-3
Check the "ALM" LED.
The "ALM" LED is unlit
Normal
If lit, the slave unit has an error. Refer to P11-4 to remove the cause of the alarm.
P11-4
(2) Check the LED state of the slave unit
1. Check the "LINK" LED.
The "LINK" LED is flashing
Normal
If the LED is not flashing, refer to P11-4 and remove the cause of the error.
P11-4
2. Check the "ALM" LED.
The "ALM" LED is unlit
Normal
If the LED is not unlit, refer to P11-4 and remove the cause of the alarm.
P11-4
