369

DATA TRANS. ERROR(INT)

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

What does 369 mean?

This alarm on Fanuc Series 0i-D/0i Mate-D with αi/βi Pulsecoders indicates a communication data alarm, primarily attributed to electrical noise corrupting the data transmitted from the built-in Pulsecoder.

Common Causes

  • Electrical noise affecting the integrity of data transmission from the Pulsecoder.
  • Intermittent connection issues in the Pulsecoder cable.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Identify and mitigate potential sources of electromagnetic interference (EMI) near the Pulsecoder and its communication cable.

  2. 2

    Verify that the Pulsecoder cable is properly shielded and that the shield is securely grounded at the designated point.

  3. 3

    Inspect the Pulsecoder cable connectors for any signs of corrosion, loose pins, or improper seating.

  4. 4

    If noise mitigation and cable integrity checks are completed without resolution, consider replacing 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