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FANUC Alarm CVIS-127 — Invalid index specified

FANUC CVIS-127 (“Invalid index specified”): An internal error of the vision log function occurred. First check: Document the events that led to the error and contact your FANUC technical representative.

Updated 2026-09-17 · LogrobotLM reference

Description

An internal error of the vision log function occurred.

Remedy

Document the events that led to the error and contact your FANUC technical representative.

Related codes

CVIS-125Log record is fullCVIS-126No more elements in log recordCVIS-128Specified tag not foundCVIS-129Unknown tag found in log file

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 →