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FANUC Alarm LNTK-019STOP Invalid scale factor

FANUC LNTK-019 (“STOP Invalid scale factor”): An invalid or uninitialized scale factor value (specified by $LNSCH[i].$SCALE, where 'i' is the FRAME number used within the DETAIL screen for the specified program) was found. First check: Make sure that this value is properly set prior to either teaching path positions, or issuing programmed robot motion instructions.

Updated 2026-08-29 · LogrobotLM reference

Description

An invalid or uninitialized scale factor value (specified by $LNSCH[i].$SCALE, where 'i' is the FRAME number used within the DETAIL screen for the specified program) was found.

Remedy · Remède

Make sure that this value is properly set prior to either teaching path positions, or issuing programmed robot motion instructions. NOTE: This value may NOT be equal to 0.0

Frequently asked · Questions fréquentes

What does FANUC alarm LNTK-019 mean?
FANUC LNTK-019 (“STOP Invalid scale factor”): An invalid or uninitialized scale factor value (specified by $LNSCH[i].$SCALE, where 'i' is the FRAME number used within the DETAIL screen for the specified program) was found.
How do you troubleshoot FANUC alarm LNTK-019?
Make sure that this value is properly set prior to either teaching path positions, or issuing programmed robot motion instructions. NOTE: This value may NOT be equal to 0.0

Related codes / Codes liés

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. · Informations indicatives issues du terrain — le manuel du constructeur et ses procédures de sécurité font foi. Ne shuntez jamais un organe de sécurité ; consignez (LOTO) avant toute intervention physique. How this reference is built →