FANUC Alarm CVIS-129 — Unknown tag found in log file
FANUC CVIS-129 (“Unknown tag found in log file”): The log file is too new, and this version of the system cannot read it. First check: This error indicates there is no way to convert the file to use on this robot controller.
Updated 2026-08-29 · LogrobotLM reference
Description
The log file is too new, and this version of the system cannot read it.
Remedy · Remède
This error indicates there is no way to convert the file to use on this robot controller. To use this file, you will either need to find a controller with newer software, or reload this controller with newer software. If necessary, contact FANUC for updated robot software.
Frequently asked · Questions fréquentes
- What does FANUC alarm CVIS-129 mean?
- FANUC CVIS-129 (“Unknown tag found in log file”): The log file is too new, and this version of the system cannot read it.
- How do you troubleshoot FANUC alarm CVIS-129?
- This error indicates there is no way to convert the file to use on this robot controller. To use this file, you will either need to find a controller with newer software, or reload this controller with newer software. If necessary, contact FANUC for updated robot software.
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 →