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FANUC Alarm LNTK-010 — STOP Illegal encoder schedule num

FANUC LNTK-010 (“STOP Illegal encoder schedule num”): An invalid sensor(encoder) schedule number was used within the specified tracking program instruction's SCH[] parameter. First check: Check the $LNSNRSCH[] system variable description for the range of valid sensor schedule numbers.

Updated 2026-09-17 · LogrobotLM reference

Description

An invalid sensor(encoder) schedule number was used within the specified tracking program instruction's SCH[] parameter.

Remedy

Check the $LNSNRSCH[] system variable description for the range of valid sensor schedule numbers.

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 →