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FANUC Alarm PALL-133 — Could not clear file

FANUC PALL-133 (“Could not clear file”): 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 2026-09-17 · LogrobotLM reference

Description

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

Remedy

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 a Controlled start, press MENUS, select Clear UnitLd. 3. You will only be able to clear unitloads that were loaded at Controlled start from the Controlled start menu.

Related codes

PALL-131Layer num outside range (1-40)PALL-132Cannot resume programPALL-137Unit load num out of rangePALL-138Only Pal OR Cycle stop allowed

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