FANUC Alarm VISN-004 — WARN Circle not found in the image
FANUC VISN-004 (“WARN Circle not found in the image”): FOUND_CIRCLE cannot cannot determine the circle parameters be the location tool in the vision process failed to find the circle in the image. First check: Use the vision training menus to determine why the circle was not found, and retrain the location tool if necessary .
Updated 2026-08-29 · LogrobotLM reference
Description
FOUND_CIRCLE cannot cannot determine the circle parameters be the location tool in the vision process failed to find the circle in the image.
Remedy · Remède
Use the vision training menus to determine why the circle was not found, and retrain the location tool if necessary . Add logic to the vision KAREL program to call the FOUND_OK built-in to check if the vision process found the circle before calling FOUND_CIRCLE. Do not call FOUND_CIRCLE if FOUND_OK returns FALSE.
Frequently asked · Questions fréquentes
- What does FANUC alarm VISN-004 mean?
- FANUC VISN-004 (“WARN Circle not found in the image”): FOUND_CIRCLE cannot cannot determine the circle parameters be the location tool in the vision process failed to find the circle in the image.
- How do you troubleshoot FANUC alarm VISN-004?
- Use the vision training menus to determine why the circle was not found, and retrain the location tool if necessary . Add logic to the vision KAREL program to call the FOUND_OK built-in to check if the vision process found the circle before calling FOUND_CIRCLE. Do not call FOUND_CIRCLE if FOUND_OK returns FALSE.
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 →