LogrobotLM

LogrobotLM — AI fault diagnosis for ABB · KUKA · FANUC robots. It reads your robot backup in your browser (never uploaded) and pinpoints the fault. Try it free → · Le diagnostic IA qui lit la sauvegarde de votre robot, sans rien téléverser.

FANUC Alarm BBOX-043 — CD unit vector calculation failed

FANUC BBOX-043 (“CD unit vector calculation failed”): CD and NON-CD positions are used to calculate unit vector First check: Edit program so the first 2 positions are both CD or NON-CD moves.

Updated 2026-08-29 · LogrobotLM reference

Description

CD and NON-CD positions are used to calculate unit vector

Remedy · Remède

Edit program so the first 2 positions are both CD or NON-CD moves.

Frequently asked · Questions fréquentes

What does FANUC alarm BBOX-043 mean?
FANUC BBOX-043 (“CD unit vector calculation failed”): CD and NON-CD positions are used to calculate unit vector
How do you troubleshoot FANUC alarm BBOX-043?
Edit program so the first 2 positions are both CD or NON-CD moves.

Related codes / Codes liés

BBOX-041BBOX program did not loadBBOX-042Bump start line is circle VIABBOX-044Program position number UNINITBBOX-045Preview operation failed

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 →