Chapter 8
Troubleshooting
8-1 Error Processing ................................................8-1
Preliminary Checks When a Problem Occurs.......................... 8-1
Precautions When Troubleshooting.........................................8-2
Replacing the Servomotor and Servo Drive............................. 8-2
8-2 Alarm Table.........................................................8-3
Alarm Indicator on the Servo Drive .......................................... 8-3
Alarm List .................................................................................8-4
8-3 Troubleshooting.................................................8-5
Points to Check........................................................................8-5
Error Diagnosis Using the Displayed Alarm Codes .................8-6
Error Diagnosis Using the Operating Status .......................... 8-12
8-4 Overload Characteristics
(Electronic Thermal Function) ........................ 8-16
Overload Characteristics Graphs........................................... 8-16
8-5 Periodic Maintenance ......................................8-17
Servomotor Service Life.........................................................8-17
Servo Drive Service Life ........................................................8-18
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