FANUC Alarm OPTN-006 — WARN Not Installed: `…'

Manufacturer wording — WARN Not Installed: `%s'
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC OPTN-006 (“WARN Not Installed: `…'”): The specified software option was not installed properly. First check: Reinstall the option.

Updated 2026-09-17 · LogrobotLM reference

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 →