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FANUC Alarm CVIS-231 — Identical reference values exist for different Z.

FANUC CVIS-231 (“Identical reference values exist for different Z.”): Two reference scales must be different for different application Z values. First check: Set reference scales with the different application Z values.

Updated 2026-08-29 · LogrobotLM reference

Description

Two reference scales must be different for different application Z values.

Remedy · Remède

Set reference scales with the different application Z values.

Frequently asked · Questions fréquentes

What does FANUC alarm CVIS-231 mean?
FANUC CVIS-231 (“Identical reference values exist for different Z.”): Two reference scales must be different for different application Z values.
How do you troubleshoot FANUC alarm CVIS-231?
Set reference scales with the different application Z values.

Related codes / Codes liés

CVIS-229Model ID mismatch.CVIS-230Reference data is not set.CVIS-232No robot position for reference scale is set.CVIS-233Robot pose must not be changed.

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 →