SERVO_AMPLIFIER_DEAD_BAND_0

Servo Amplifier Dead-Band 0 Alarm

Fanuc · Alpha i series AC Servo Motor

What does SERVO_AMPLIFIER_DEAD_BAND_0 mean?

An alarm for the servo amplifier module related to 'Dead-band 0'. This likely indicates an issue with the control dead-band settings or its functionality, potentially causing erratic motion or control instability.

Common Causes

  • Malfunction related to the dead-band 0 control within the servo amplifier module

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn the power off, then back on

  2. 2

    If this alarm recurs, replace the servo amplifier module

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Verified technical data. Last updated: March 2026

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Source: Fanuc Alpha i series AC Servo Motor