YASKAWA SGDH User Manual page 561

Table 10.8 Troubleshooting for Malfunction without Alarm Display (Cont'd)
Symptom Cause
Servomotor Ambient temperature too high
Overheated
Servomotor surface dirty
Overloaded
Inspection
: Turn OFF the servo system before executing operations.
Measure servomotor ambient temperature.
Check visually.
Run under no load.
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10.1 Troubleshooting
Corrective Actions
Reduce ambient temperature to 40°C (104 °F) max.
Clean dust and oil from servomotor surface.
Reconsider load and operation conditions or replace with
larger capacity servomotor.
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