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) ........................8-17
Overload Characteristics Graphs...........................................8-17
8-5 Periodic Maintenance ......................................8-18
Servomotor Service Life.........................................................8-18
Servo Drive Service Life ........................................................ 8-19
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