A 400 troubleshooting answers
1 question with answers cited from the manufacturer manuals.
- 0Yaskawa Sigma-7 A.400 trips on deceleration, what to check?
An A.400 Overvoltage alarm on a Yaskawa Sigma-7 SERVOPACK indicates that the main circuit DC voltage is too high. If this alarm specifically occurs during deceleration, it points to issues related to regenerated energy. …