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FANUC Alarm WNDW-023 — WARN Initial data too long

FANUC WNDW-023 (“WARN Initial data too long”): The init_data value is longer than the buffer size parameter First check: Either increase the value of buffer_size or specify a shorter string for init_value

Updated 2026-09-17 · LogrobotLM reference

Description

The init_data value is longer than the buffer size parameter

Remedy

Either increase the value of buffer_size or specify a shorter string for init_value

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 →