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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 2026-09-17 · LogrobotLM reference

Description

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

Remedy

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

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 →