EL
ErrorLib
Brands
||
  1. Home
  2. Fanuc
  3. Series 0i-D/0i Mate-D Maintenance
  4. 384
About·Privacy·Terms

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.

384

SOFT PHASE ALARM(EXT)

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

What does 384 mean?

This alarm on Fanuc Series 0i-D/0i Mate-D indicates a position data alarm from a separate (external) detector. Causes typically include detector failure, environmental contamination, or issues with its mounting or cabling.

Common Causes

  • Internal failure of the external detector affecting position data accuracy.
  • Environmental contamination (e.g., cutting fluid, dust) affecting the detector's operation.
  • Mechanical misalignment or instability of the external detector.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Inspect the external detector for signs of environmental contamination (e.g., cutting fluid, dust) that could interfere with its operation.

  2. 2

    Verify the mechanical integrity and proper alignment of the external detector.

  3. 3

    Check the communication cable from the external detector to the SDU for any damage, loose connections, or improper shielding.

  4. 4

    If the alarm persists after thorough inspection and cabling checks, replace the external detector unit.

Browse all codes in this manual (60)
Verified technical data. Last updated: April 2026

Related Faults

361ABNORMAL PHASE DATA(INT)364SOFT PHASE ALARM(INT)365BROKEN LED(INT)
Source: Fanuc Series 0i-D/0i Mate-D Maintenance
Open Manual (Page 438)Search more codes in this manual