100-E and 104-E Communication Interface Modules Status Indicators

See the status indicators on your device to identify its status.
Status Indicator
Status indicator location
100-E and 104-E Communication Interface Module Status Indicators
Status Indicator
State
Description
MNS
Module and
EtherNet/IP
In-cabinet network status
Off
The device is powered off or powered on, but with no IP address configured.
Flashing Green
The IP address is configured for the device, but there are no connections.
Steady Green
The IP address is configured for the device, at least 1 connection is established, and the bus is operating properly.
Flashing Red
The IP address for the device is configured, but one of the following events has occurred: an I/O connection has timed out, a peer connection has timed out, or a major recoverable fault exists.
Steady Red
A device on the bus has the same IP address, the communication interface module is detached from the starter, or the internal diagnostics has created a non-resettable fault.
IMPORTANT:
If a duplicate IP address fault is not present and the fault persists through power cycles, the device should be replaced.
Flashing Green and Red
The device is performing its power-up testing.
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