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
- 1
Replace the detector.
Verified technical data. Last updated: March 2026
Source: Fanuc Series 30i/31i/32i-MODEL B Plus