Troubleshooting Flowchart For Non-Fatal Errors - Omron NJ501-1400 User Manual

5 Troubleshooting
5-2-2

Troubleshooting Flowchart for Non-fatal Errors

For a non-fatal error, use the Sysmac Studio or an HMI to troubleshoot the error with the following flow-
chart. You can use the indicators to check the following:
• Level
• Whether the error is in the EtherNet/IP port or the EtherCAT port
• If the sources of the error is the EtherNet/IP port or the EtherCAT port, whether you can restore nor-
mal status yourself
A
To immediately check the
specific error
Lit.
ERROR indicator (red)?
Major fault Observa-
level tion
Refer to the NJ/NX-series Troubleshooting Manual (Cat. No. W503) for the procedures to
check for errors and corrections with the Sysmac Studio or an HMI.
Precautions for Correct Use Precautions for Correct Use
Refer to the appendices of the NJ/NX-series Troubleshooting Manual (Cat. No. W503) for the
applicable range of the HMI Troubleshooter.
5-12
Non-fatal error in CPU Unit
To check error status with the indicators
Flashing.
Not lit.
EtherNet/IP NET ERR indicator is lit or flashing.
Flashing.
EtherNet/IP NET ERR
indicator (red)?
Lit.
Error in the Error in the
EtherNet/IP port for EtherNet/IP port for
which you cannot which you can
restore normal status restore normal status
by yourself. by yourself.
Partial fault level
or minor fault level
Check all of the following branches that correspond to the
status of the EtherNet/IP NET ERR and EtherCAT NET
ERR indicators.
EtherCAT NET ERR indicator is
lit or flashing.
EtherCAT NET ERR
indicator (red)?
Lit.
Error in the
EtherCAT port for
which you cannot
restore normal
status by yourself.
NJ-series CPU Unit Hardware User's Manual (W500)
Both indicators are not lit.
Flashing.
Error in the Error in PLC
EtherCAT port for Function Module or
which you can MC Function
restore normal Module
status by yourself.