Omron SYSMAC CS Series Operation Manual page 235

Troubleshooting Flowcharts
Error Check with the
POWER Indicator Lit
RUN indicator not lit.
Determine the cause
of the error with a
Programming Device.
Has a unit number
duplicated or is there an
I/O verification error?
Create I/O tables.
Is the Customizable
Counter Unit's RUN
Connect a Programming Device
to the Customizable Counter
Unit and turn ON the Program-
ming Device Connection Switch.
Is Unit operating
mode displayed on Program-
ming Device?
The following flowchart can be used to troubleshoot errors that occur while the
POWER indicator is lit.
No
Yes
No
indicator lit?
Yes
No
Yes
End
Correct the problem
at the CPU Unit.
Yes
Is there any CPU
Unit error or is it on
standby?
Identify the error, eliminate
its cause, and clear the
error.
Replace the Custo-
mizable Counter Unit.
Section 9-5
No
215