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FANUC Alarm MHND-161 — WARN Error: tp program not running

FANUC MHND-161 (“WARN Error: tp program not running”): The List menu test attempted to run a tp program. First check: Reset the controller and try again.

Updated 2026-09-17 · LogrobotLM reference

Description

The List menu test attempted to run a tp program.

Remedy

Reset the controller and try again.

Related codes

MHND-139WARN Error creating new variablesMHND-160WARN Robot in use-Cannot TEST menu.MHND-162WARN doing unpause in prompt boxMHND-163WARN doing continue in prompt box

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 →