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(1) Module status and LED status
The following table lists the correspondence between the module status and the LED status.
Module status
Disconnecting
Data link in operation
Reserved station
specification in progress
Link stop
Communication error
Major
Error
Moderate
Warning
Minor
In progress
Normal
Unit test
completion
Abnormal
completion
*1
Either of ON or OFF.
*2
Either of ON, Flashing, or OFF.
*3
When the module is failed, the LED may not turn on.
24
Data link status
PW LED
Disconnection
ON
Data link in operation
ON
Cyclic stop
ON
Cyclic stop
ON
Cyclic stop
ON
⎯
ON
⎯
ON
⎯
ON
⎯
ON
⎯
ON
⎯
ON
LED status
RUN LED
MODE LED
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
OFF
*1
ON
*1
ON
*1
ON
Flashing
ON
OFF
ON
OFF
D LINK LED
ERR. LED
OFF
OFF
ON
OFF
Flashing
OFF
Flashing
OFF
Flashing
OFF
*3
*2
ON
ON
*2
Flashing
*2
OFF
OFF
OFF
OFF
OFF
ON
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Troubleshooting
