The Fanuc 414 Servo Alarm on the Z-axis indicates a Detection Related Error, which typically signifies a high-current or short-circuit condition within the digital servo system. This alarm is often accompanied by specific codes (8, 9, or A) on the servo amplifier's LED display, identifying which axis is affected. Core Causes of Alarm 414
Before diving into diagnostics, perform a physical check of the re-pack work: fanuc 414 servo alarm z axis detect error repack
Step 3 – Purge old grease (if possible) The Fanuc 414 Servo Alarm on the Z-axis
What can I do about the 414 alarm after restarting the machine? fanuc 414 servo alarm z axis detect error repack