Table of Contents
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Troubleshooting Flowcharts
I/O Check
Malfunction of SOL1
Is the IR 01003 out-
put indicator operat-
ing normally?
Yes
Check the voltage at the
IR 01003 terminals.
Operation
O.K.?
Yes
Check output device
SOL1.
The I/O check flowchart is based on the following ladder diagram section.
No
Wire correctly.
No
No
Is output wiring
correct?
Yes
Has the external
power supply shorted
or overloaded?
Yes
Disconnect the external wires
and check the conductivity of
each wire.
Yes
Operation
O.K.?
(LS1)
(LS2)
00002
00003
01003
01003
SOL1 malfunction.
Correct the short cir-
cuit or limit the con-
nected load to the
specification range
No
No
Replace the CPU Unit
or Expansion I/O Unit
with the problem.
Section 5-6
SOL1
Monitor the ON/OFF
status of IR 01003
with a Peripheral
Device.
No
Operation
A
O.K.?
To
next
Yes
page
131
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