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FANUC Alarm FXTL-072 — Invalid program step number

FANUC FXTL-072 (“Invalid program step number”): An invalid program step number was specified. First check: Use the correct step number for the specified program.

Updated 2026-09-17 · LogrobotLM reference

Description

An invalid program step number was specified. The step number is out of range or is not a valid step for the specified operation.

Remedy

Use the correct step number for the specified program.

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 →