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ErrorLib — Industrial Fault Code Library

Disclaimer: ErrorLib is an independent technical reference tool. While we aim for accuracy, always verify with the manufacturer’s official service manuals before performing maintenance on industrial equipment. ErrorLib is not affiliated with the brands listed.

380

BROKEN LED(EXT)

Fanuc · Series 30i/31i/32i-MODEL B Plus

What does 380 mean?

This external alarm indicates an LED disconnection within the separate detector. An inoperable LED typically points to a failure of the detector unit itself.

Common Causes

  • LED disconnection within the separate detector
  • Separate detector failure

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Replace the detector.

Browse all codes in this manual (38)
Verified technical data. Last updated: April 2026

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Source: Fanuc Series 30i/31i/32i-MODEL B Plus
Open Manual (Page 159)Search more codes in this manual