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-354 — WARN Invalid IWC msg buffers

FANUC SPOT-354 (“WARN Invalid IWC msg buffers”): Invalid IWC msg buffers The buffers sent for a message transaction are not valid in number and/or length. First check: This is a system programming error.

Updated 2026-08-29 · LogrobotLM reference

Description

Invalid IWC msg buffers The buffers sent for a message transaction are not valid in number and/or length.

Remedy · Remède

This is a system programming error.

Frequently asked · Questions fréquentes

What does FANUC alarm SPOT-354 mean?
FANUC SPOT-354 (“WARN Invalid IWC msg buffers”): Invalid IWC msg buffers The buffers sent for a message transaction are not valid in number and/or length.
How do you troubleshoot FANUC alarm SPOT-354?
This is a system programming error.

Related codes / Codes liés

SPOT-352WARN Invalid IWC indexSPOT-353WARN IWC message in progressSPOT-355WARN Invalid IWC function codeSPOT-356WARN Checksum error, IWC msg send

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 →