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 PALT-133WARN Could not clear file

FANUC PALT-133 (“WARN Could not clear file”): 1. If the unitload is being used in production it cannot be cleared. First check: 1. Wait until production is aborted and clear the unit load.

Updated 2026-08-29 · LogrobotLM reference

Description

1. If the unitload is being used in production it cannot be cleared. 2. If a unitload was loaded into memory at controlled-start, it can only be cleared at controlled start.

Remedy · Remède

1. Wait until production is aborted and clear the unit load. 2. If the unitload was loaded at controlled-start, you will have to go to controlled start to clear it. At controlled start press MENUS, select Clear UnitLd. You will only be able to clear unitloads that were loaded at controlled start from the controlled start menu.

Frequently asked · Questions fréquentes

What does FANUC alarm PALT-133 mean?
FANUC PALT-133 (“WARN Could not clear file”): 1. If the unitload is being used in production it cannot be cleared. 2. If a unitload was loaded into memory at controlled-start, it can only be cleared at controlled start.
How do you troubleshoot FANUC alarm PALT-133?
1. Wait until production is aborted and clear the unit load. 2. If the unitload was loaded at controlled-start, you will have to go to controlled start to clear it. At controlled start press MENUS, select Clear UnitLd. You will only be able to clear unitloads that were loaded at controlled start from the controlled…

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 →