Fanuc 414 Servo Alarm Z Axis Detect Error Repack ^hot^

The Fanuc 414 Servo Alarm is a digital servo system fault that occurs when the CNC detects an abnormality in a specific axis. Specifically, a "Z-Axis Detect Error" indicates that the Z-axis servo amplifier has triggered a high-current (HC) or similar detection alarm. Understanding the 414 Alarm

Part 8: When Not to Repack

Do not attempt repacking if:

Alarm 8: High current on the L-axis (usually the first axis). fanuc 414 servo alarm z axis detect error repack

Step 5: Test

• Remove the mechanical block (but keep it nearby).
• Power on the machine.
• Release the emergency stop.
• If the alarm clears: Congratulations. The "repack" worked.
• If the alarm returns immediately: You have a deeper hardware failure.