Error description 231-4400
Error message
4400 Excessive servo lag (axis: %1)
Cause of error
- The following error of an axis exceeds one of the following error limits.
- The acceleration entered is too large.
- The motor does not move in spite of “Drive on.”
Error correction
- Reduce the contouring feed rate, increase the rotational speed.
Remove any possible sources of vibration.
Inform your service agency if the error occurs frequently.
- Check the acceleration (CfgFeedLimits/maxAcceleration)
- Check the following error limits (CfgPosControl/servoLagMin[1/2] or servoLagMax[1/2])
- The motor current must not be under limitation during acceleration