Fanuc Alarm 468 n AXIS : HI HRV SETTING ERROR (AMP)
Fanuc Servo Alarm Description
This alarm is issued if it is specified that high–speed HRV control is to be used for a controlled axis connected to an amplifier for which high–speed HRV control cannot be used.
Fanuc Oi
Use of high–speed HRV is specified for a controlled axis of an amplifier which does not support high–speed HRV.