FANUC Alarm TAST-001 — WARN TAST global vars failure
FANUC TAST-001 (“WARN TAST global vars failure”): The Through Arc Seam Tracking (TAST) variables are not loaded First check: Perform a controlled start to initialize motion softparts
Updated 2026-09-17 · LogrobotLM reference
Description
The Through Arc Seam Tracking (TAST) variables are not loaded
Remedy
Perform a controlled start to initialize motion softparts
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 →