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FANUC Alarm PALT-151 — WARN %s exists. Not loaded

FANUC PALT-151 (“WARN %s exists. Not loaded”): The specified file already exists on the controller. First check: Delete the file from the controller before reloading.

Updated 2026-08-29 · LogrobotLM reference

Description

The specified file already exists on the controller.

Remedy · Remède

Delete the file from the controller before reloading.

Frequently asked · Questions fréquentes

What does FANUC alarm PALT-151 mean?
FANUC PALT-151 (“WARN %s exists. Not loaded”): The specified file already exists on the controller.
How do you troubleshoot FANUC alarm PALT-151?
Delete the file from the controller before reloading.

Related codes / Codes liés

PALT-149PAUSE Unit Posn out of rangePALT-150WARN Loading error - %sPALT-152WARN Warning-ignoring entry where CASE# was 0.PALT-153WARN Initializing Data

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 →