FANUC Alarm LNTK-000 — STOP Unknown error (LN00)
FANUC LNTK-000 (“STOP Unknown error (LN00)”): System internal error First check: Perform a COLD start of the system.
Updated 2026-09-17 · LogrobotLM reference
Description
System internal error
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 →