364

SOFT PHASE ALARM(INT)

Fanuc · Series 0i-D/0i Mate-D Maintenance

What does 364 mean?

This alarm on Fanuc Series 0i-D/0i Mate-D with αi/βi Pulsecoders signifies a position data alarm within the built-in Pulsecoder, often caused by environmental factors like cutting fluid ingress or electrical noise corrupting the signal.

Common Causes

  • Electrical noise interfering with the Pulsecoder's position data signals.
  • Entry of cutting fluid or other contaminants into the Pulsecoder, affecting its internal components.
  • Internal failure of the Pulsecoder affecting position data accuracy.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Inspect the Pulsecoder for any signs of cutting fluid ingress, contamination, or corrosion; clean thoroughly if found.

  2. 2

    Check for and mitigate potential sources of electrical noise (e.g., faulty contactors, unshielded cables) near the Pulsecoder and its cabling.

  3. 3

    Verify the integrity of the Pulsecoder cable, ensuring proper shielding and secure connections at both ends.

  4. 4

    If environmental factors and noise mitigation do not resolve the issue, replace the Pulsecoder unit.

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Verified technical data. Last updated: March 2026

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Source: Fanuc Series 0i-D/0i Mate-D Maintenance