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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 2026-08-29 · LogrobotLM reference

Description

The maximum data buffer size supported is 244 bytes.

Remedy · Remède

Use a legal data buffer size.

Frequently asked · Questions fréquentes

What does FANUC alarm COPT-011 mean?
FANUC COPT-011 (“WARN Send_PC Buffer too big for packet”): The maximum data buffer size supported is 244 bytes.
How do you troubleshoot FANUC alarm COPT-011?
Use a legal data buffer size.

Related codes / Codes liés

COPT-009WARN Send_PC Illegal event numberCOPT-010WARN Send_PC Illegal wait flagCOPT-020WARN Send_PC builtin failedCOPT-021WARN Send_PC event parm %s error

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. · Informations indicatives issues du terrain — le manuel du constructeur et ses procédures de sécurité font foi. Ne shuntez jamais un organe de sécurité ; consignez (LOTO) avant toute intervention physique. How this reference is built →