FANUC Alarm MHND-020 — WARN Robot must be in AUTO mode
FANUC MHND-020 (“WARN Robot must be in AUTO mode”): The robot must be in full automatic mode with the PLC before production operation can occur. First check: The manual mode din from the PLC is set ON.
Updated 2026-09-17 · LogrobotLM reference
Description
The robot must be in full automatic mode with the PLC before production operation can occur.
Remedy
The manual mode din from the PLC is set ON. It must be OFF for automatic control of production.
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 →