LogrobotLM

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FANUC Alarm LNTK-012 — STOP Invalid input position

FANUC LNTK-012 (“STOP Invalid input position”): An invalid or uninitialized position was used within the specified tracking program instruction. First check: Check the position (or position register) value for the specified tracking program instruction to make sure that it is a properly initialized, valid position.

Updated 2026-09-17 · LogrobotLM reference

Description

An invalid or uninitialized position was used within the specified tracking program instruction.

Remedy

Check the position (or position register) value for the specified tracking program instruction to make sure that it is a properly initialized, valid position.

Related codes

LNTK-010STOP Illegal encoder schedule numLNTK-011STOP Illegal boundary set numberLNTK-013STOP Invalid trigger input valueLNTK-014STOP Encoder/sensor not enabled

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 →