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CHAPTER 8 TROUBLESHOOTING
8
8.1 Before Troubleshooting
CHAPTER 8 TROUBLESHOOTING
This chapter describes the causes and corrective actions to take when a problem occurs in the Q64TCN.
8.1 Before Troubleshooting
Check whether the POWER LED on the power supply module and the MODE LED on the CPU module are on. If both
are off, proceed with CPU module troubleshooting.
QCPU User's Manual (Hardware Design, Maintenance and Inspection)
8.2 Troubleshooting Procedure
This section describes how to find problem causes and take corrective action.
Use GX Works2 to find problem causes and take corrective action.
(1) Procedure
1. Connect GX Works2 to the CPU module to display
the "System Monitor" window.
[Diagnostics] [System Monitor...]
2. After confirming that an error is displayed on the
Q64TCN, select the Q64TCN and click
.
If an error LED is ON on a module other than the
Q64CTN, refer to the user's manual for the module
and take corrective action.
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