Omron SYSMAC CS Series Operation Manual page 238

Troubleshooting Flowcharts
Are the IR 00002
and IR 00003 input indi-
cators operating
A
normally?
From
Yes
previous
page
Check the voltage at
the IR 00002 and IR
00003 terminals.
Operation OK?
Yes
Check operation by disconnect-
ing wires to 00002 and 00003
terminals and use the Program-
ming Console to turn the inputs
ON and OFF.
No
Replace the Custo-
mizable Counter Unit.
218
No No No
Check the voltage at
the IR 00002 and IR
00003 terminals.
No
Yes
Wire correctly.
Operation OK?
Yes
Return to "start."
Check input devices
LS1 and LS2.
Operation OK?
Yes
No
Is input wiring
correct?
No
Re-solder the connec-
tor.
Section 9-5
Yes
Is the connector
soldering faulty?
No
Is connector
Yes
making proper con-
tact?
No
Replace connector.
Replace the Custo-
mizable Counter Unit.