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 →