Omron SYSMAC CPM2B Operation Manual page 188

Troubleshooting Flowcharts
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.
170
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The I/O check flowchart is based on the following ladder diagram section.
No
Wire correctly.
No
No
Is output wiring
correct?
Yes
Is the external
power supply shorted
or overloaded?
No
Disconnect the external wires
and check the conductivity of
each wire.
Yes
Operation OK?
(LS1) (LS2)
00002 00003
01003
01003
SOL1 malfunction.
Correct the short circuit
or limit the connected
load to the specified
range.
Yes
No
Replace the CPU Board
or Expansion I/O Board
with the problem.
Section 8-4
SOL1
Monitor the ON/OFF
status of IR 01003
with a Programming
Device.
No
Operation OK?
A
To
next
Yes
page