Fanuc Alarm 401: SERVO ALARM: n–TH AXIS VRDY OFF
Fanuc Alarm 401: SERVO ALARM: n–TH AXIS VRDY OFF
Fanuc Control Model: 16 / 18 / 21-Series, 16i/18i/21i and 30i/31i/32i series
Fanuc Alarm Description
The n–th axis (axis 1–8) servo amplifier READY signal (DRDY) went off. Refer to procedure of trouble shooting.
Have you faced Fanuc Alarm 401 SERVO ALARM: n–TH AXIS VRDY OFF on your machine? Share your experience or troubleshooting tips in the comments below to help other CNC operators and programmers clear this error faster!
