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
This usually means:
Before you throw parts at the machine, you must understand the FANUC alarm hierarchy. fanuc 414 servo alarm z axis detect error repack
414 SERVO ALARM: Z-AXIS DETECT ERROR
To find out what caused the alarm, do not rely solely on the screen message. You must check the digital diagnostic parameters on your Fanuc control: The Fanuc 414 Servo Alarm on the Z-axis