42 Rockwell Automation Publication 1794-UM066C-EN-E - April 2023
Appendix A Interpret Status Indicators
Module Status Indicator
Off
No power. Adapter does not have 24V DC power. Make
sure that power is being supplied to the adapter.
Flashing green Standby. Adapter not configured. Configure adapter.
Green
Operational. Adapter operating correctly. No action
required.
Flashing red
Minor fault. A recoverable fault has been detected. This
could be caused by an incorrect or inconsistent
configuration.
Check configuration and reconfigure as needed.
Solid red
Major fault. An unrecoverable fault has been detected.
Recycle power to the adapter. If this does not clear the
fault, replace the adapter.
Flashing red/green
Self-test. Adapter performing power-up self-test. Wait
until completed.
Network Status Indicator
Off
Not powered. No IP address. Adapter is not powered or
does not have an IP address.
Verify that there is power and the adapter is correctly
wired to the power supply.
Make sure that the adapter is configured.
Flashing green
No connection. Adapter has obtained an IP address, but
has no established connections.
Green
CIP connections. Adapter has an IP address and at least
one established connection.
Flashing red
Connection timeout. One or more of the connections in
which the adapter is the target has timed out.
Red
Duplicate IP address. Adapter has detected that its IP
address is already in use. Configure the adapter with a
unique IP address.
Flashing red/green Self-test. Adapter performing power-up self-test.
Table 2 - Status Indicator Identification (Continued)
Indicator State Status
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