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FANUC Alarm APSH-084 — WARN WARNING - simulated I/O

FANUC APSH-084 (“WARN WARNING - simulated I/O”): The robot is running a style program with one or more I/O ports simulated. First check: Verify that all simulated I/O points should be simulated.

Updated 2026-09-17 · LogrobotLM reference

Description

The robot is running a style program with one or more I/O ports simulated. Unexpected motions and actions may occur.

Remedy

Verify that all simulated I/O points should be simulated. Un-simulate all I/O ports which should not be simulated.

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 →