FANUC Alarm COPT-028 — WARN Register … not defined

Manufacturer wording — WARN Register %s not defined
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC COPT-028 (“WARN Register … not defined”): This is just a debug message First check: N/A

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 →