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FANUC Alarm SPOT-379 — WARN IWC slave busy

FANUC SPOT-379 (“WARN IWC slave busy”): IWC slave busy IWC slave busy bit is set in status word. First check: Retry operation after a short delay.

Updated 2026-09-17 · LogrobotLM reference

Description

IWC slave busy IWC slave busy bit is set in status word.

Remedy

Retry operation after a short delay.

Related codes

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 →