Fanuc 414 Servo Alarm Z Axis Detect Error -

By cross-referencing the alarm code with the Fanuc maintenance manual, the technician can narrow down whether the issue is a broken wire (detection error) or a heavy load (overload error).

The is a critical diagnostic fault indicating a digital servo system error specifically related to the axis detection hardware or software loops. When paired with a "Z Axis Detect Error" message, it means the CNC controller has detected abnormal feedback, a broken connection, or a hardware failure in the Z-axis positioning system. This alarm halts machine operations immediately to prevent physical crashes or damage to the workpiece. fanuc 414 servo alarm z axis detect error

Lubricate the ball screws and guide rails regularly to reduce friction. By cross-referencing the alarm code with the Fanuc

When the 414 alarm appears on the CNC screen, it is typically accompanied by a single-character code on the servo amplifier's LED display—most commonly . This alarm halts machine operations immediately to prevent