Omron CPM2C Operation Manual page 227

Troubleshooting Flowcharts
I/O Check
Malfunction of SOL1
IR 01003 output indicator
operating normally?
Yes
Check the voltage at the
IR 01003 terminals.
Operation OK?
Check output device
SOL1.
204
The I/O check flowchart is based on the following ladder diagram section.
Is the
No
Wire correctly.
No
Is output wiring
Yes
Disconnect the external wires
and check the conductivity of
each wire.
Yes
Operation OK?
(LS1) (LS2)
00002 00003
01003
SOL1 malfunction.
No
correct?
Yes
No
Section 5-5
01003 SOL1
Monitor the ON/OFF
status of IR 01003
with a Programming
Device.
Operation OK?
Yes
Replace the CPU Unit Ex
pansion Unit, or Expansion
I/O Unit with the problem.
No
A
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