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FANUC Alarm CVIS-271User tool number is not selected

FANUC CVIS-271 (“User tool number is not selected”): The utool frame in which you perform the tool offset is not set. First check: ## 4.ERROR CODES

Updated 2026-08-29 · LogrobotLM reference

Description

The utool frame in which you perform the tool offset is not set. Set the utool frame that you perform the tool offset.

Remedy · Remède

## 4.ERROR CODES

Frequently asked · Questions fréquentes

What does FANUC alarm CVIS-271 mean?
FANUC CVIS-271 (“User tool number is not selected”): The utool frame in which you perform the tool offset is not set. Set the utool frame that you perform the tool offset.
How do you troubleshoot FANUC alarm CVIS-271?
## 4.ERROR CODES

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 →