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FANUC Alarm SPOT-361 — WARN Ack timeout, IWC msg send

FANUC SPOT-361 (“WARN Ack timeout, IWC msg send”): Ack timeout, IWC msg send The IWC did not acknowledge a message segment that was sent to it. First check: Notify Product Development.

Updated 2026-09-17 · LogrobotLM reference

Description

Ack timeout, IWC msg send The IWC did not acknowledge a message segment that was sent to it.

Remedy

Notify Product Development.

Related codes

SPOT-359WARN Invalid buffer, IWC msg recvSPOT-360WARN IWC buffer too smallSPOT-362WARN Timeout, IWC msg recvSPOT-363WARN IWC motherboard 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. How this reference is built →