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Troubleshooting Flowcharts Section 8-8
I/O Check The I/O check flowchart is based on the following ladder diagram section.
Note The CPM1 PC doesn’t have the IR 10500 output indicator. Substitute with one
from IR 01000 to IR 01915.
10500
00002
(LS1)
00003
(LS2)
SOL1 malfunction.
SOL1
10500
Ye s
Monitor the ON/OFF
status of IR 10500
with a Peripheral
Device.
No
Is the IR 10500 out-
put indicator operat-
ing normally?
Check the voltage at the
IR 10500 terminals.
Wire correctly. Replace terminal
connector.
Operation
O.K.?
Start
Is output wiring
correct?
Is terminal
block making prop-
er contact?
Disconnect the external wires
and check the conductivity of
each wire.
No
Ye s
Check output device
SOL1.
Operation
O.K.?
Replace the Output
Unit.
Ye s
No
No
Ye s
No
Operation
O.K.?
NoYe s
Ye s
A
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