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FANUC Alarm MOTN-390 — … is required for …

Manufacturer wording — %s is required for %s
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC MOTN-390 (“… is required for …”): The required motion option is not loaded. First check: Verify motion options loaded in the controller and make sure the required option is also loaded.

Updated 2026-09-17 · LogrobotLM reference

Description

The required motion option is not loaded.

Remedy

Verify motion options loaded in the controller and make sure the required option is also loaded.

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 →