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 APSH-164WARN Home I/O program %s not loaded

FANUC APSH-164 (“WARN Home I/O program %s not loaded”): The HOME I/O program as specified from the Cell Setup menu does not exist and was not run. First check: Go to the Cell Setup menu and either check the name of the HOME I/O macro name menu item .

Updated 2026-08-29 · LogrobotLM reference

Description

The HOME I/O program as specified from the Cell Setup menu does not exist and was not run.

Remedy · Remède

Go to the Cell Setup menu and either check the name of the HOME I/O macro name menu item . Make sure the file specified exists on the controller. Either create a program by that name or change this menu item to a program that already exists on the controller.

Frequently asked · Questions fréquentes

What does FANUC alarm APSH-164 mean?
FANUC APSH-164 (“WARN Home I/O program %s not loaded”): The HOME I/O program as specified from the Cell Setup menu does not exist and was not run.
How do you troubleshoot FANUC alarm APSH-164?
Go to the Cell Setup menu and either check the name of the HOME I/O macro name menu item . Make sure the file specified exists on the controller. Either create a program by that name or change this menu item to a program that already exists 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 →