Fanuc 414 Servo Alarm Z Axis Detect Error

Incorrect values in servo parameters (e.g., – CMR, Pr. 2024 – feed-forward gain, or Pr. 2084 – scale factor) can cause the CNC to misinterpret feedback.

Open your electrical cabinet and check the status LED on the servo amplifier module (SVM). You will likely see one of these codes: fanuc 414 servo alarm z axis detect error

Disconnect the cable at both ends (motor pulse coder and amplifier JF1 port). Use a multimeter to check: Incorrect values in servo parameters (e

Fanuc 414 Servo Alarm on the Z-axis indicates a "Digital Servo System Abnormal" condition, typically triggered by an abnormal current, temperature, or power issue detected by the servo amplifier. This is often a hardware-level fault that requires a process of elimination to solve. TIE Industrial Fanucworld 1. Identify the Specific Fault (Diagnostics) Open your electrical cabinet and check the status

A is a high-current detection error in the digital servo system . Essentially, your CNC is sensing that the Z-axis servo amplifier is pulling too much power, often due to an electrical short or a mechanical overload. The "Full Story" Breakdown

On vertical Z-axes, a failing brake or counterweight issue can force the motor to draw excessive current just to maintain position.

Contact a certified FANUC integrator if: