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 FXTL-069 — Invalid PLC data value: T%d

FANUC FXTL-069 (“Invalid PLC data value: T%d”): A data value sent by the PLC is not valid, such as the unit number, program number, or step number. First check: Correct the PLC logic to send only valid command values.

Updated 2026-08-29 · LogrobotLM reference

Description

A data value sent by the PLC is not valid, such as the unit number, program number, or step number.

Remedy · Remède

Correct the PLC logic to send only valid command values.

Frequently asked · Questions fréquentes

What does FANUC alarm FXTL-069 mean?
FANUC FXTL-069 (“Invalid PLC data value: T%d”): A data value sent by the PLC is not valid, such as the unit number, program number, or step number.
How do you troubleshoot FANUC alarm FXTL-069?
Correct the PLC logic to send only valid command values.

Related codes / Codes liés

FXTL-067Duplicate group numberFXTL-068Invalid PLC command: T%dFXTL-070Tray %d ESR not possibleFXTL-071Invalid I/O configuration

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 →