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FANUC Alarm PALL-151 — … exists. Not loaded

Manufacturer wording — %s exists. Not loaded
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC PALL-151 (“… exists. Not loaded”): The specified file already exists on the controller. First check: Delete the file from the controller before trying to reload it.

Updated 2026-09-17 · LogrobotLM reference

Description

The specified file already exists on the controller.

Remedy

Delete the file from the controller before trying to reload it.

Related codes

PALL-149Unit Posn out of rangePALL-150Loading error - …PALL-152Warning-ignoring entry where CASE# was 0.PALL-153Initializing 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. How this reference is built →