Chapter 10 Maintenance
XBC E-Type Main Unit
10-8
Ver. 1
3. RUN LED Off Troubleshooting Flowchart
RUN LED is Off
Cycle incoming power to the PLC
Is RUN LED On
Complete
Yes
No
Is STOP/RUN Switch in RUN Mode?
Check STOP/RUN Switch inside
communication door
Yes
No
Contact Tech
Support
Switch to RUN Mode
Is RUN LED On?
Complete
Yes
No
a. STOP/RUN Mode Switch Operation
The PC STOP/RUN switch can manually start and stop PLC program execution. The
XG5000 programming software can also be used to change PLC operating modes.
XG5000 can change the PLC from STOP Mode to RUN Mode even with the STOP/RUN
switch in the STOP position. If this is done, the PLC will start up in RUN mode even
after a power cycle though the STOP/RUN Switch is in the STOP position.
i. Note: the STOP/RUN Mode Switch must be in the STOP position before the
XG5000 software can download (write) a program to the PLC.
Summary of Contents for XBC-DN10E
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