Omron CS1 -, Operation Manual

Page: 158 / 173

9-5 Section Troubleshooting Flowcharts
138
The following flowchart can be used to troubleshoot errors that occur while the
POWER indicator is lit.
Identify the error (see page
130), eliminate its cause,
and clear the error.
Determine the cause
of the error with a
Programming Device.
End
RUN indicator not lit.
Replace the Custo-
mizable Counter Unit.
Is there any CPU
Unit error or is it on
standby?
Correct the problem
at the CPU Unit.
Connect a Programming Device
to the Customizable Counter
Unit and turn ON the Program-
ming Device Connection Switch
Is the Customizable
Counter Unit’s RUN
indicator lit?
Has a unit number
duplicated or is there an
I/O verification error?
No
Yes
Yes
No
Is Unit operating
mode displayed on Program-
ming Device?
No
Yes
Yes
No
Create I/O tables.
Error Check with the
POWER Indicator Lit