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: March 2026

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Source: Fanuc Alpha i Series Servo Amplifier