Chapter 12
Interpret Status Indicators
82
Indicator Status for Modules
Indicator
Status
Off
Flashing red/green
Green
Module status
Flashing red
Red
Flashing green
Off
Flashing green
Green
Network status
Flashing red
Red
Flashing red/green
Off
Green
Network link
status
Flashing green
(Link 1/Link 2)
Yellow
Flashing yellow
Off
Power status
Green
Off
I/O status
Yellow
IMPORTANT
The Module Status Indicator will flash red and green for a maximum of
30 s while the module completes its POST (Power-On Self Test).
Rockwell Automation Publication 1732E-UM003D-EN-E - November 2021
Description
No power applied to the device.
The module is performing POST (Power-On Self Test), which completes
within 30 s.
Device operating normally.
Module has experienced a recoverable fault.
Unrecoverable fault – may require device replacement.
On 1732E-IB8M8SOER and 1732E-OB8M8SR:
Device is not synchronized to master clock.
The device is not initialized or the module does not have an IP address.
The device has no CIP connections.
The device has an IP address, but no CIP connections are established.
The device is online, has an IP address, and CIP connections are
established.
One or more connections have timed out.
The module has detected that its IP address is
already in use.
The module is performing a power-on self test (POST).
No link established.
Link established on indicated port at 100 Mbps.
Link activity present on indicated port at 100 Mbps.
Link established on indicated port at 10 Mbps.
Link activity present on indicated port at 10 Mbps.
No power to device or input not valid.
Power applied to device.
Output/input not energized.
Output/input energized.