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FANUC Alarm SPOT-360 — WARN IWC buffer too small

FANUC SPOT-360 (“WARN IWC buffer too small”): IWC buffer too small The buffer passed to the IWC driver was too small to hold the message received from the IWC. First check: This is a system programming error.

Updated 2026-09-17 · LogrobotLM reference

Description

IWC buffer too small The buffer passed to the IWC driver was too small to hold the message received from the IWC.

Remedy

This is a system programming error.

Related codes

SPOT-358WARN Checksum error, IWC msg recvSPOT-359WARN Invalid buffer, IWC msg recvSPOT-361WARN Ack timeout, IWC msg sendSPOT-362WARN Timeout, 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. How this reference is built →