Troubleshooting Flowchart For Non-Fatal Errors - Omron NJ501-1 Series User Manual

5 Troubleshooting
5-2-2

Troubleshooting Flowchart for Non-fatal Errors

For a non-fatal error, use the Sysmac Studio or an NS-series PT to troubleshoot the error with the fol-
lowing flowchart. You can use the indicators to check the following:
• Level
• Whether the error is in the EtherNet/IP Function Module or the EtherCAT Master Function Module
• If the source of the error is the EtherNet/IP Function Module or the EtherCAT Master Function Mod-
ule, whether you can restore normal status yourself
A
To immediately check the
specific error
Lit.
ERROR indicator (red)?
Major fault Observa-
level tion
Refer to the NJ-series Troubleshooting Manual (Cat. No. W503) for the procedures to check
for errors and corrections with the Sysmac Studio or an NS-series PT.
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 Function
EtherNet/IP Function
Module for which
Module for which you
you can restore
cannot restore normal
normal status by
status by yourself.
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 Master
Function Module 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 Master
Function Module or
Function Module
MC Function
for which you can
Module
restore normal
status by yourself.