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FANUC Alarm APSH-163 — WARN No motion allowed--gun closed

FANUC APSH-163 (“WARN No motion allowed--gun closed”): No motion can occur because the gun is closed. First check: Open the gun.

Updated 2026-09-17 · LogrobotLM reference

Description

No motion can occur because the gun is closed. This prevents the user from jogging or running a program while the gun is closed, and damaging parts and/or tooling.

Remedy

Open the gun.

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 →