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FANUC Alarm FXTL-071Invalid I/O configuration

FANUC FXTL-071 (“Invalid I/O configuration”): There is an invalid value assigned for the rack and/or slot number for the fieldbus I/O device for the tray. First check: Assign the correct rack and slot for the fieldbus interface that is actually installed and configured on the controller.

Updated 2026-08-29 · LogrobotLM reference

Description

There is an invalid value assigned for the rack and/or slot number for the fieldbus I/O device for the tray.

Remedy · Remède

Assign the correct rack and slot for the fieldbus interface that is actually installed and configured on the controller.

Frequently asked · Questions fréquentes

What does FANUC alarm FXTL-071 mean?
FANUC FXTL-071 (“Invalid I/O configuration”): There is an invalid value assigned for the rack and/or slot number for the fieldbus I/O device for the tray.
How do you troubleshoot FANUC alarm FXTL-071?
Assign the correct rack and slot for the fieldbus interface that is actually installed and configured on the controller.

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 →