Fanuc 414 Servo Alarm Z Axis Detect Error Fix -

Ensure the Z-axis motor cover is intact to prevent coolant ingress.

To resolve a 414 alarm, technicians generally use a process of elimination: fanuc 414 servo alarm z axis detect error

These generally represent a high-current or short-circuit condition. Ensure the Z-axis motor cover is intact to

View Diagnostic screen No. 200 . If bit #4 (HCA) is 1, it indicates an Abnormal Current alarm. If bit #6 (LV) is 1, the voltage is too low. fanuc 414 servo alarm z axis detect error

Fluctuations in plant voltage or unstable power supply output from the Power Supply Module (PSM) can also trigger a 414 error. Recommended Diagnostic Steps