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FANUC Alarm CVIS-251 — The distance between reference positions is too small

FANUC CVIS-251 (“The distance between reference positions is too small”): The distance between reference positions is too small. First check: Change the Minimum distance between reference positions.

Updated 2026-08-29 · LogrobotLM reference

Description

The distance between reference positions is too small.

Remedy · Remède

Change the Minimum distance between reference positions.

Frequently asked · Questions fréquentes

What does FANUC alarm CVIS-251 mean?
FANUC CVIS-251 (“The distance between reference positions is too small”): The distance between reference positions is too small.
How do you troubleshoot FANUC alarm CVIS-251?
Change the Minimum distance between reference positions.

Related codes / Codes liés

CVIS-249GetQueue is timeout.CVIS-250This robot received packet from robot with the different software seriesCVIS-252The range maximum value must be greater than or equal to the minimum.CVIS-253The range minimum value must be less than or equal to the maximum.

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 →