OVC
OVC Alarm
Fanuc · αi Series Servo Amplifier
What does OVC mean?
This alarm is issued when a specific condition related to the OVC bit is detected. It is generally associated with a temperature rise in the motor or amplifier, indicating a potential for overheating under current operating conditions or parameter settings.
Repair Steps
- 1
Verify that standard values are set for parameters No. 1877, No. 1878, No. 1893, No. 2062, No. 2063, and No. 2065.
- 2
If parameter settings are confirmed correct, increase the acceleration/deceleration time constant.
- 3
Increase the programmed stop time period to help suppress temperature rise.
Verified technical data. Last updated: March 2026
Source: Fanuc αi Series Servo Amplifier