FANUC Alarm LNTK-031 — STOP UFRAME must be zero
FANUC LNTK-031 (“STOP UFRAME must be zero”): User frames cannot be used when tracking. First check: Set $MNUFRAMENUM[] to zero.
Updated 2026-09-17 · LogrobotLM reference
Description
User frames cannot be used when tracking.
Remedy
Set $MNUFRAMENUM[] to zero.
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 →