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5-5
Section
'! !
Yes
No
Check the voltage at
the IR 00002 and
IR 00003 terminals.
Check operation by using a
dummy input signal to turn the
input ON and OFF.
No
Replace the CPU Unit
or Expansion I/O Unit.
Are the terminal
screws loose or con-
nectors disconnected?
Operation OK?
Wire correctly.
Is input wiring
correct?
Tighten the terminal
screws and connect
connectors.
Check input devices
LS1 and LS2.
Return to “start.”
Are the IR 00002
and IR 00003 input indi-
cators operating
normally?
Operation OK?
Replace the CPU Unit
or Expansion I/O Unit.
Operation OK?
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
Check the voltage at
the IR 00002 and
IR 00003 terminals.
A
From
previous
page
Yes
Summary of Contents for CPM2C
Page 1: ...CPM2C Programmable Controllers Operation Manual Produced June 1999...
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