EL
ErrorLib
Brands
||
  1. Home
  2. Fanuc
  3. Alpha i series AC Servo Motor
  4. SERVO_AMPLIFIER_SYNCHRONOUS_DEVIATION
About·Privacy·Terms

ErrorLib — Industrial Fault Code Library

Disclaimer: ErrorLib is an independent technical reference tool. While we aim for accuracy, always verify with the manufacturer’s official service manuals before performing maintenance on industrial equipment. ErrorLib is not affiliated with the brands listed.

SERVO_AMPLIFIER_SYNCHRONOUS_DEVIATION

Servo Amplifier Synchronous Deviation

Fanuc · Alpha i series AC Servo Motor

What does SERVO_AMPLIFIER_SYNCHRONOUS_DEVIATION mean?

An alarm indicating a synchronous deviation for the servo amplifier module. This typically points to a problem with motor synchronization or control loop stability, leading to inaccurate motion.

Common Causes

  • Servo control loop instability or synchronization error within the servo amplifier

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

Browse all codes in this manual (60)
Verified technical data. Last updated: April 2026

Related Faults

000Power-Down Required Parameter011Zero Feedrate Specified013Maximum Feedrate Zero
Source: Fanuc Alpha i series AC Servo Motor
Open Manual (Page 231)Search more codes in this manual