FANUC Alarm LANG-090 — Buffer is too small

FANUC LANG-090 (“Buffer is too small”): The Ascii Input encountered a program line with too many characters. First check: Shorten the line in the /MN section of the.LS file.

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 →