FANUC Alarm LANG-052 — Cannot load daughter program(%d)

FANUC LANG-052 (“Cannot load daughter program(%d)”): The loading of the daughter program failed. First check: Please check the contents of the specified file.

Updated 2026-08-29 · LogrobotLM reference

Description

The loading of the daughter program failed.

Remedy · Remède

Please check the contents of the specified file.

Frequently asked · Questions fréquentes

What does FANUC alarm LANG-052 mean?: FANUC LANG-052 (“Cannot load daughter program(%d)”): The loading of the daughter program failed.
How do you troubleshoot FANUC alarm LANG-052?: Please check the contents of the specified file.

Related codes / Codes liés

LANG-050WARN %s contains %s, program/file names must match LANG-051Wrong daughter program name LANG-053Cannot process daughter program LANG-054Can't load(Reversed repr. disabled)

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 →