EL
ErrorLib
Brands
||
  1. Home
  2. Fanuc
  3. Alpha i Series Servo Amplifier
  4. SV0364
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.

SV0364

SOFT PHASE ALARM(INT)

Fanuc · Alpha i Series Servo Amplifier

What does SV0364 mean?

The digital servo software detected an abnormality on the built-in Pulsecoder related to its phase. This is a software-detected issue with the Pulsecoder's feedback.

Common Causes

  • Software error in the digital servo processing phase data.
  • Incorrect interpretation of Pulsecoder phase signals by the CNC.
  • Firmware bug in the servo controller related to Pulsecoder processing.
  • Timing mismatch between Pulsecoder and servo system.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Restart the CNC control system.

  2. 2

    Update servo controller firmware to the latest version.

  3. 3

    Verify Pulsecoder signal timing parameters in the CNC.

  4. 4

    Check for any custom software modifications affecting phase processing.

Browse all codes in this manual (101)
Verified technical data. Last updated: April 2026

Related Faults

0233Velocity Pulse Count Exceeded0243Position Pulse Count Exceeded0434Velocity Loop Integral Gain Overflow
Source: Fanuc Alpha i Series Servo Amplifier
Open Manual (Page 127)Search more codes in this manual