FANUC Alarm MARL-022 — WARN Loading error - …
Manufacturer wording — WARN Loading error - %s
The manual prints placeholders; your controller fills them in with the real group, axis or number.
FANUC MARL-022 (“WARN Loading error - …”): An error occurred while loading a file to the controller memory. First check: This is a warning message.
Updated 2026-09-17 · LogrobotLM reference
Description
An error occurred while loading a file to the controller memory.
Remedy
This is a warning message. The file did not get loaded. Check if the communications cable is connected and that it is ok. Make sure the file you want to load exists on the floppy.
Related codes
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 →