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Rockwell Automation Publication 1407-UM002B-EN-P - February 2019
Chapter 7
Troubleshooting
Communication
The network and module status indicators indicate the state of the EtherNet/IP
network that is connected into the RJ45 jacks. The following table describes the
status indicator states.
Table 31 - Network Status (NS) Indicator
(1)
(1) A test sequence is performed on this status indicator during startup.
Status Indicator State
Description
Off
No power or no IP address
Green
Online, one or more connections established (CIP Class 1 or 3)
Green, flashing
Online, no connections established
Red
Duplicate IP address, Fatal error
Red, flashing
One or more connections are timed out (CIP Class 1 or 3)
Table 32 - Module Status (MS) Indicator
(1)
(1) A test sequence is performed on this status indicator during startup.
Status Indicator State
Description
Off
No power
Green
Controlled by a scanner in Run state
Green, flashing
Not configured, or scanner in idle state
Red
Major fault (Exception-state, Fatal error)
Red, flashing
Recoverable faults