Fanuc 414 Servo Alarm on the Z-axis indicates a digital servo system fault where the CNC has detected an abnormality in the servo drive or its feedback circuit. Because the Z-axis is vertical, it is often subject to higher mechanical stress and specific failure modes like brake malfunctions or counterweight imbalances. TIE Industrial Fanucworld Initial Diagnostic Steps To pinpoint the exact cause, refer to the CNC Diagnostic Screen Servo Amplifier LED CNC Diagnostics Diagnostic No. 200 HCA (Bit 4)
Below is a complete feature guide covering causes, diagnostics, step-by-step checks, and repair recommendations. fanuc 414 servo alarm z axis detect error
Does the alarm happen or only when the axis moves ? Fanuc 414 Servo Alarm on the Z-axis indicates