Omron CPM2C Operation Manual page 147

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