Omron SYSMAC CS Series Operation Manual page 236

Troubleshooting Flowcharts
Error Check with the RUN
Indicator Lit
216
The following flowchart can be used to troubleshoot errors that occur while the
RUN indicator is lit.
ERC indicator lit or flashing.
Determine the cause of the error
with a Programming Device.
Is a fatal
or non-fatal error
indicated?
No
Yes
Is the ERC indicator
lit or flashing?
Not lit
End
Yes
Identify the error, eliminate its cause,
and clear the error.
Replace the Custo-
mizable Counter Unit.
Section 9-5