Z Axis Detect Error !!exclusive!!: Fanuc 414 Servo Alarm
“414 Z-axis detect error” is (ballscrew/bearing). It’s almost always electrical: broken encoder cable, failed drive, or less often a bad motor encoder. Don’t pull the ballscrew – check the wires first.
This alarm is a critical stop error. The machine will likely be "Not Ready" and unresponsive to movement commands, and any existing alarms may not clear until the root cause is resolved. fanuc 414 servo alarm z axis detect error
If Diagnostic 200 points to a feedback or communications issue rather than a power issue, check . “414 Z-axis detect error” is (ballscrew/bearing)
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. the voltage is too low.
