10 - 1
10
OMNUC G5-series (Pulse-train Input Type) AC Servomotors and Servo Drives User’s Manual
This section explains the items that must be checked when problems occur, error
diagnosis using the alarm LED display and measures, error diagnosis based on the
operating condition and measures, and periodic maintenance.
10-1 Actions for Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-2
10-1-1 Preliminary Checks When a Problem Occurs. . . . . . . . . . . . . . . . . . . . . . . . . 10-2
10-1-2 Precautions When a Problem Occurs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-3
10-1-3 Replacing the Servomotor or Servo Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-4
10-2 Warning List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-5
10-3 Alarm List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-6
10-4 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-10
10-4-1 Error Diagnosis with Alarm Displays. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-10
10-4-2 Error Diagnosis Using the Operation State. . . . . . . . . . . . . . . . . . . . . . . . . . 10-17
10-5 Periodic Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-21
10-5-1 Servomotor Life Expectancy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-21
10-5-2 Servo Drive Life Expectancy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-22
Troubleshooting and Maintenance
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