LogrobotLM — AI fault diagnosis for ABB · KUKA · FANUC robots. It reads your robot backup in your browser (never uploaded) and pinpoints the fault. Try it free →

FANUC Alarm OPTN-014 — WARN Dependency nesting too deep

FANUC OPTN-014 (“WARN Dependency nesting too deep”): The option nesting tree is too deep. First check: Install sub-options first.

Updated 2026-09-17 · LogrobotLM reference

Description

The option nesting tree is too deep.

Remedy

Install sub-options first.

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 →