LogrobotLM

LogrobotLM — AI fault diagnosis for ABB · KUKA · FANUC robots. It reads your robot backup in your browser (never uploaded) and pinpoints the fault. Try it free → · Le diagnostic IA qui lit la sauvegarde de votre robot, sans rien téléverser.

FANUC Alarm CALB-020 — WARN Cannot open data file.

FANUC CALB-020 (“WARN Cannot open data file.”): Cannot find the input data file. First check: Make sure the configuration data file and the calibration data file are available.

Updated 2026-08-29 · LogrobotLM reference

Description

Cannot find the input data file.

Remedy · Remède

Make sure the configuration data file and the calibration data file are available.

Frequently asked · Questions fréquentes

What does FANUC alarm CALB-020 mean?
FANUC CALB-020 (“WARN Cannot open data file.”): Cannot find the input data file.
How do you troubleshoot FANUC alarm CALB-020?
Make sure the configuration data file and the calibration data file are available.

Related codes / Codes liés

CALB-018WARN Robot is not being mastered .CALB-019WARN Cannot auto generate positionsCALB-021WARN Wrong data format.CALB-022WARN Memory is not available.

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 →