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FANUC Alarm COPT-011 — WARN Send_PC Buffer too big for packet

FANUC COPT-011 (“WARN Send_PC Buffer too big for packet”): The maximum data buffer size supported is 244 bytes. First check: Use a legal data buffer size.

Updated 2026-09-17 · LogrobotLM reference

Description

The maximum data buffer size supported is 244 bytes.

Remedy

Use a legal data buffer size.

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 →