FANUC Alarm LNTK-006 — STOP Illegal tracking type
FANUC LNTK-006 (“STOP Illegal tracking type”): An invalid tracking type was specified within the tracking schedule (i.e. First check: Check the value of $LNSCH[i].$TRK_TYPE (where 'i' is the FRAME number specified within the DETAIL screen for the specified program) to make sure that it is one of the valid values listed under the description for this system variable.
Updated 2026-09-17 · LogrobotLM reference
Description
An invalid tracking type was specified within the tracking schedule (i.e. $LNSCH[]) associated with the specified program.
Remedy
Check the value of $LNSCH[i].$TRK_TYPE (where 'i' is the FRAME number specified within the DETAIL screen for the specified program) to make sure that it is one of the valid values listed under the description for this system variable.
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 →