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 DeviceNet side
The
“MS_G” LED is lit
Normal
If the LED is not lit, this may be due to the power being OFF or an error. See the
“MS_R” state.
The
“MS_R” LED is unlit
Normal (or power is OFF)
If the LED is flashing, refer to P7-1 and check the power supply, the address setting, and remove the
cause of the error.
If the LED is lit, replace this device.
P7-1
The
“NS_G” LED is lit
Normal
If the LED is not lit, this may be due to the power being OFF or an error. See the
“NS_R” state.
The
“NS_R” LED is unlit
Normal (or power is OFF)
If the LED is flashing or lit, refer to P7-1 and check the power supply, the address setting, and
reception of the communication signal. Remove the cause of the error.
P7-1
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.
P7-1
Check the
“ALM” LED.
The
“ALM” LED is unlit
Normal
If the LED is flashing or is lit, refer to P7-1, P11-3 to remove the cause of the alarm.
P7-1, P11-3
