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 →

FANUC Alarm FXTL-021 — Invalid model file set

FANUC FXTL-021 (“Invalid model file set”): There was an error during processing the set of model files for the tray. First check: Check the error log and listing for more details about the specific error.

Updated 2026-09-17 · LogrobotLM reference

Description

There was an error during processing the set of model files for the tray.

Remedy

Check the error log and listing for more details about the specific error.

Related codes

FXTL-019No cell data file: T…FXTL-020No model program file: T…FXTL-022Invalid positioner variantFXTL-023Error in cell data file: T…

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 →