LogrobotLM

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FANUC Alarm CMND-018 — WARN Invalid device or path

FANUC CMND-018 (“WARN Invalid device or path”): An invalid device or path has been specified. First check: Check the device and path that you entered.

Updated 2026-09-17 · LogrobotLM reference

Description

An invalid device or path has been specified.

Remedy

Check the device and path that you entered. If none entered, check the system default device from the FILE Menu or from the KCL command, CHDIR.

Related codes

CMND-016WARN Division by zeroCMND-017WARN Angle is out of rangeCMND-019WARN Operation cancelledCMND-020WARN End of directory

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 →