14
TROUBLESHOOTING
14.4 Flowchart when Data Link Failed
14.4.1 Flowchart when RUN LED is OFF
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DEVICE MONIT
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PROGRAMMING
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INDEX
14.4.1 Flowchart when RUN LED is OFF
YES
YES
NO
YES
Did the LED turn OFF
even during communications
with other stations?
Are communications with other
stations continued?
Check the hardware of the personal
computer.
Did the "RUN" LED turn
ON after replacing the CC-Link IE
Controller Network board?
NO (The "RUN" LED has turned OFF since power-ON.)
End
An error occurred.
NO (The "RUN"
LED turned OFF during
communications.)
The "RUN" LED on the CC-Link IE Controller
Network board is failure. Replace it.