Omron 3G3MX2 Series, Connection Manual, Page: 27 / 34

7. Connection Procedure
4
Check the LED indicators on the
Inverter.
LED indicators in normal status.
[L/A IN]: Flickering
[RUN]: Green ON
[ERR]: OFF
The LED indicators flash at the same
timing as those of the Controller.
Meaning Color Status Description
OFF
Link not established in physical
layer
ON Link established in physical layer
L/A IN
Green
Flickering In operation after establishing link
OFF
Link not established in physical
layer
ON Link established in physical layer
L/A OUT
Green
Flickering In operation after establishing link
OFF Init state
Blinking Pre-Operational state
Single flash Safe-Operational state
RUN Green
ON Operational state
OFF No error
Blinking Communications Setting Error
Single flash
Synchronization error or
communications data error
Double flash Application WDT timeout
Flickering Boot error
ERR Red
ON PDI WDT timeout
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