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FANUC Alarm MHND-033 — WARN DIN Ignored. Wrong Start Mode

FANUC MHND-033 (“WARN DIN Ignored. Wrong Start Mode”): A DIN signal was detected, but the controller is not set up to start using DINs. First check: DIN must be set as the start device or the DIN signal will be ignored.

Updated 2026-09-17 · LogrobotLM reference

Description

A DIN signal was detected, but the controller is not set up to start using DINs.

Remedy

DIN must be set as the start device or the DIN signal will be ignored.

Related codes

MHND-031WARN Cycle interrupt disabledMHND-032WARN Cycle interrupt enabledMHND-034WARN … Job select setup errorMHND-035WARN Start Ignored. Already running

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 →