304 Rockwell Automation Publication 2080-UM002M-EN-E - April 2022
Appendix D Troubleshooting
Status Indicator Description
Description State Indicates
1 Input status
Off Input is not energized
On Input is energized (terminal status)
2Power status
Off No input power, or power error condition
Green Power on
3 Run status
Off Not executing the user program
Green Executing the user program in run mode
Flashing green Memory backup/restore in progress
4 Fault status
Off No fault detected.
Red Non-recoverable fault that requires a power cycle.
Flashing Red Recoverable fault.
5Force status
Off No force conditions are active.
Amber Force conditions are active.
6
Serial communications
status
Off No traffic for RS-232/RS-485.
Green
Traffic through RS-232/RS-485.
The indicator only blinks when transmitting data. It does not
blink when receiving data.
7 Output status
Off Output is not energized.
On Output is energized (logic status).
8Module status
Steady Off No power.
Flashing Green Standby.
Steady Green Device operational.
Flashing Red
Minor fault
(minor and major recoverable faults).
Steady Red Major Fault (non-recoverable fault).
Flashing Green and
Red
Self-test.
The device is performing power-on self-test (POST). During
POST, the network status indicator alternates flashing green
and red. The duration of the self-test depends on the size of
the project in the controller.
9 Network status
Steady Off
Not powered, no IP address.
The device is powered off, or is powered on but with no IP
address.
Flashing Green
No connections.
An IP address is configured, but no Ethernet application is
connected.
Steady Green
Connected.
At least one EtherNet/IP session is established.
Flashing Red Connection timeout (not implemented).
Steady Red
Duplicate IP.
The device has detected that its IP address is being used by
another device in the network. This status is applicable only
if the device's duplicate IP address detection (ACD) feature
is enabled.
Flashing Green and
Red
Self-test.
The device is performing power-on self-test (POST). During
POST, the network status indicator alternates flashing green
and red. The duration of the self-test depends on the size of
the project in the controller.
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