Omron sysmac NX Series User Manual page 624

15 Troubleshooting
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
flowchart.
You can use the indicators to check the following.
• Level
• Whether the error is in the EtherNet/IP port
• If the sources of the error is the EtherNet/IP port, whether you can restore normal status yourself
To find out immediately
what error occurred
Major
fault level
Identification and troubleshooting for current errors using the Sysmac Studio or an HMI *1
*1. Refer to 15-2-3 Troubleshooting Non-fatal Errors on page 15-25.
15-2-2
Troubleshooting Fatal Errors
l Power Supply Error
Power is not being input.
The voltage is outside of the allowable
range for the power supply.
15-24
Non-fatal error in Communication Control Unit
A
To check error status with the indicators
Lit.
ERROR
indicator (red)?
Not lit.
Check all of the following branches that correspond
to the status of the NS indicators.
Red lit, not lit or flashing.
Observation
Cause
Turn ON the power.
Check the Controller's power supply system, and correct it so that
the voltage is within the allowable range.
NX-series Safety Control Unit/Communication Control Unit User's Manual (Z395)
Flashing.
Partial fault level or
minor fault level
Green lit or flashing.
Error in PLC
Error in
Function Module
Built-in
or NX Bus
EtherNet/IP
Function Module
port
Correction