424 Rockwell Automation Publication 193-UM015D-EN-P - February 2015
Chapter 9 EtherNet/IP Communications
Module Status
None —
The E300 EtherNet/IP Communication Module is not
receiving power.
Check the control power connection on the A1 and A2
terminals of the E300 EtherNet/IP Control Module.
Green, Red, Not
Illuminated
Flashing (once) Normal This is a normal power-up sequence.
Green Flashing
The E300 EtherNet/IP Communication Module is not
being scanned by the EtherNet/IP master.
Check the Ethernet scan list for the correct scanner
configuration.
Green Solid
Normal operating state, the E300 EtherNet/IP
Communication Module is allocated to its master.
No action is required.
Red Flashing
One or more EtherNet/IP connections timed out. Reset the E300 EtherNet/IP Communication Module.
The E300 Overload Relay is in a fault state.
Reset the E300 EtherNet/IP Communication Module or
verify the validity of the data in the configuration
assembly.
Red Solid Diagnostics test failed on power-up/reset.
Cycle power to the device. If the fault still exists, replace
the device.
Link1 or Link2
None —
The E300 EtherNet/IP Communication Module is not
properly connected to an Ethernet network.
Check the Ethernet cabling to make sure it is properly
installed.
Green Flashing The Ethernet network is properly connected. No action is required.
Green Solid Communications are occurring on the Ethernet network. No action is required.
Status LED Color State Possible Cause Corrective Action