FANUC Alarm SVGN-139 — Could not read tip stick detect input.

FANUC SVGN-139 (“Could not read tip stick detect input.”): Tip stick detect input could not be read, due to an I/O error. First check: Check the I/O mapping/configuration and I/O device status.

Updated 2026-09-17 · LogrobotLM reference

Indicative field information — the robot manufacturer's manual and safety procedures always prevail. Never bypass a safety device; apply lockout/tagout (LOTO) before any physical intervention. How this reference is built →