FANUC Alarm MARL-020 — WARN Product number not entered
FANUC MARL-020 (“WARN Product number not entered”): User pressed DONE key without entering the product number in the cycle start menu. First check: This is a warning message.
Updated 2026-09-17 · LogrobotLM reference
Description
User pressed DONE key without entering the product number in the cycle start menu.
Remedy
This is a warning message. Enter the product number and then press DONE.
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 →