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 LNTK-030 — STOP Stack / header mismatch

FANUC LNTK-030 (“STOP Stack / header mismatch”): The schedule number on the tracking stack did not match the schedule of the program it corresponds to. First check: Perform a COLD start of the system.

Updated 2026-09-17 · LogrobotLM reference

Description

The schedule number on the tracking stack did not match the schedule of the program it corresponds to.

Remedy

Perform a COLD start of the system. (Cycle power.) Notify FANUC Robotics if problem persists.

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 →