FANUC Alarm MACR-004 — WARN Can't execute motn_prog by UK
FANUC MACR-004 (“WARN Can't execute motn_prog by UK”): It is not possible to execute a program with MOTION lock group with the User Key(UK) First check: Remove the motion lock group from the program.
Updated 2026-09-17 · LogrobotLM reference
Description
It is not possible to execute a program with MOTION lock group with the User Key(UK)
Remedy
Remove the motion lock group from the program.
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 →