FANUC Alarm MOTN-401 — STOP Coll. Guard Reg. Data Error
FANUC MOTN-401 (“STOP Coll. Guard Reg. Data Error”): The data contained in the Collision Guard macro register is not an integer or is not in the range of 1 to 200. First check: Enter the correct data into the Collision Guard macro register.
Updated 2026-09-17 · LogrobotLM reference
Description
The data contained in the Collision Guard macro register is not an integer or is not in the range of 1 to 200.
Remedy
Enter the correct data into the Collision Guard macro register.
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 →