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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 VISN-028 — PAUSE Invalid plane parameters

FANUC VISN-028 (“PAUSE Invalid plane parameters”): You passed a plane variable to the routine L3_PL_INTER or PLANE_INTER that is not in the normalized form. First check: Make sure the plane is normalized.

Updated 2026-08-29 · LogrobotLM reference

Description

You passed a plane variable to the routine L3_PL_INTER or PLANE_INTER that is not in the normalized form.

Remedy · Remède

Make sure the plane is normalized. Mathematically, this means that the normal vector must have a magnitude of 1.0.

Frequently asked · Questions fréquentes

What does FANUC alarm VISN-028 mean?
FANUC VISN-028 (“PAUSE Invalid plane parameters”): You passed a plane variable to the routine L3_PL_INTER or PLANE_INTER that is not in the normalized form.
How do you troubleshoot FANUC alarm VISN-028?
Make sure the plane is normalized. Mathematically, this means that the normal vector must have a magnitude of 1.0.

Related codes / Codes liés

VISN-026PAUSE Invalid direction valueVISN-027PAUSE Invalid 3-D line parametersVISN-029WARN Vision process is not trainedVISN-030WARN Illegal vision global variable

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 →