LogrobotLM

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 → · Le diagnostic IA qui lit la sauvegarde de votre robot, sans rien téléverser.

FANUC Alarm SPOT-357 — WARN Invalid buffer, IWC msg send

FANUC SPOT-357 (“WARN Invalid buffer, IWC msg send”): Invalid buffer, IWC msg send The IWC reported an invalid buffer during a message send operation. First check: Notify Product Development.

Updated 2026-08-29 · LogrobotLM reference

Description

Invalid buffer, IWC msg send The IWC reported an invalid buffer during a message send operation. This may indicate a problem with the board or driver software.

Remedy · Remède

Notify Product Development.

Frequently asked · Questions fréquentes

What does FANUC alarm SPOT-357 mean?
FANUC SPOT-357 (“WARN Invalid buffer, IWC msg send”): Invalid buffer, IWC msg send The IWC reported an invalid buffer during a message send operation. This may indicate a problem with the board or driver software.
How do you troubleshoot FANUC alarm SPOT-357?
Notify Product Development.

Related codes / Codes liés

SPOT-355WARN Invalid IWC function codeSPOT-356WARN Checksum error, IWC msg sendSPOT-358WARN Checksum error, IWC msg recvSPOT-359WARN Invalid buffer, IWC msg recv

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 →