Publication 1734-UM001D-EN-P - April 2008
Troubleshoot with the Indicators 163
Indication Probable Cause Recommended Action
Network Activity
Off No link established. Verify network cabling, and correct, as
needed.
Flashing
green/Off
Transmit or receive activity present. None.
Steady green Link established. None.
Network Status
Off Device not initialized. The module does not have an IP address. Apply power to device, verify IP address,
and correct, as needed.
Flashing green No CIP connections present. Device has an IP address, but no CIP
connections are established.
None.
Solid green CIP connections present. Device online and has an IP address, and CIP
connections are established.
None.
Flashing red One or more CIP connections has timed-out. Check for I/O module failure and controller
operation, and correct, as needed.
Solid red Duplicate IP address detected. Verify IP address setting and correct, as
needed.
Flashing
red/green
The module is performing a self-test (only occurs during power cycle
test).
None.
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