SV0362

ABNORMAL REV. DATA(INT)

Fanuc · Alpha i Series Servo Amplifier

What does SV0362 mean?

A speed count abnormal alarm occurred on the built-in Pulsecoder. This indicates an issue with the revolution count data or speed detection from the Pulsecoder.

Common Causes

  • Pulsecoder is not accurately counting revolutions.
  • Internal speed detection circuitry is malfunctioning.
  • Mechanical issues affecting Pulsecoder's rotational reading.
  • Data transmission error of revolution counts.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Manually rotate the encoder and observe speed feedback on the CNC.

  2. 2

    Inspect Pulsecoder shaft and mounting for any play or binding.

  3. 3

    Check Pulsecoder's output signals for consistency.

  4. 4

    Verify Pulsecoder's internal resolution settings.

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Verified technical data. Last updated: March 2026

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Source: Fanuc Alpha i Series Servo Amplifier