LogrobotLM — AI fault diagnosis for ABB · KUKA · FANUC robots. It reads your robot backup in your browser (never uploaded) and pinpoints the fault. Try it free →

FANUC Alarm DICT-021 — WARN Invalid character

FANUC DICT-021 (“WARN Invalid character”): An unexpected character was found in the dictionary text file. First check: Make sure all dictionary text is correct.

Updated 2026-09-17 · LogrobotLM reference

Description

An unexpected character was found in the dictionary text file.

Remedy

Make sure all dictionary text is correct.

Related codes

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 →