Troubleshooting With Indicators; Checking For Errors And Troubleshooting With The Indicators - Omron CJ1W-ECT21 Operation Manual

5-2

Troubleshooting with Indicators

Use the indicators to determine the error status of the EtherCAT Slave Unit. Refer to 2-1-2 Indicators on
page 2-2 for more information on indicators.
5-2-1

Checking for Errors and Troubleshooting with the Indicators

This section provides information for checking errors and troubleshooting with the indicators on the
EtherCAT Slave Unit.
Indicators
Name
L/A IN
L/A OUT
ECAT RUN
ECAT ERR
RUN
ERC
ERH
Indicator Timing Status
Here, the following abbreviations are used to describe the status of the indicators.
Abbreviation
Lit
Not Lit
FS
FK
B
SF
DF
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CJ-series EtherCAT Slave Units Operation Manual for NJ-series CPU Unit (W542)
The L/A IN indicator shows the link activity of the input port.
The L/A OUT indicator shows the link activity of the output port.
The ECAT RUN indicator shows the operating status of EtherCAT communications for the
EtherCAT Slave Unit.
The ECAT ERR indicator provides information on errors in the EtherCAT Slave Unit.
The RUN indicator provides information on the operation of the EtherCAT Slave Unit.
The ERC indicator provides information about errors of the EtherCAT Slave Unit.
The ERH indicator provides information about errors of the CPU Unit.
Lit
Not lit
This abbreviation indicates flashing pattern other than flickering, blinking, single flash, and
double flash.
Flickering
Blinking
Single flash
Double flash
Undefined
Function
Indicator status
5 Troubleshooting
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