Maintenance and troubleshooting
1/0 flowchart
For PC
0000
0001
Sc
{Ls1)
(LS2}
soll
0600
SOL1 malfunctions
Use programming console
to monitor the program
Use tester to check terminal
voltage of Relay 0600
Use tester to check terminal
voltage of Relay 0600
Check output device SOL1
Use tester to check terminal
Input indicator
NO
of Relay 0000 and 0001
normal?
voltage of Relays 0000
and 0001,
YES
Check terminal voltage of
Relays 0000 and 0001
connect dummy
Replace CPU
Check
input d!
LS1 and LS2
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