LogrobotLM

LogrobotLM — AI fault diagnosis for ABB · KUKA · FANUC robots. It reads your robot backup in your browser (never uploaded) and pinpoints the fault. Try it free →

FANUC Alarm MHND-231 — WARN Program already running or paused

FANUC MHND-231 (“WARN Program already running or paused”): A program is already running, so the operation requested cannot be performed. First check: Re-issue the request when the current program is paused or aborted.

Updated 2026-09-17 · LogrobotLM reference

Description

A program is already running, so the operation requested cannot be performed.

Remedy

Re-issue the request when the current program is paused or aborted.

Related codes

MHND-201WARN Error:too many entries in alarm tableMHND-230WARN FAULT must be resetMHND-232WARN Teach pendant must be enabledMHND-233WARN TP hardkey macros are in use

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 →