LogrobotLM

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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 2026-09-17 · LogrobotLM reference

Description

Cannot find the input data file.

Remedy

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

Related codes

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. How this reference is built →