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ErrorLib — Industrial Fault Code Library

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SV0363

ABNORMAL CLOCK(INT)

Fanuc · Alpha i Series Servo Amplifier

What does SV0363 mean?

A clock alarm occurred on the built-in Pulsecoder. This points to a problem with the internal clock or timing synchronization of the Pulsecoder.

Common Causes

  • Internal clock signal within the Pulsecoder is unstable or incorrect.
  • Damage to Pulsecoder's timing components.
  • Power supply fluctuations affecting the internal clock.
  • Environmental factors (temperature, vibration) impacting clock accuracy.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Measure voltage supply to the Pulsecoder.

  2. 2

    Check Pulsecoder for signs of overheating.

  3. 3

    Inspect Pulsecoder for physical damage to internal clock circuitry.

  4. 4

    Perform a diagnostic test on the Pulsecoder if available.

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