Fanuc 414 Servo Alarm Z Axis Detect Error

A short circuit in the power cables running from the amplifier to the Z-axis motor. Step-by-Step Troubleshooting Flowchart

Troubleshooting Fanuc 414 Servo Alarm: Z-Axis Detect Error If you are operating a CNC machine with a Fanuc controller, encountering a can halt production immediately. This alarm, along with its sub-alarms (typically viewed in diagnostics), indicates that the Fanuc CNC system has detected a discrepancy in the positioning or operation of the Z-axis motor or encoder, often referred to as a "position deviation error" or "excess error". fanuc 414 servo alarm z axis detect error

The Z-axis motor encoder is failing to report position data correctly back to the amplifier. A short circuit in the power cables running

Power on the machine and observe if the 414 alarm moves to the other axis (e.g., changes to an X-axis or Y-axis alarm). The Z-axis motor encoder is failing to report