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FANUC Alarm MHND-008 — WARN SOP Ignored. Wrong Start Mode

FANUC MHND-008 (“WARN SOP Ignored. Wrong Start Mode”): A SOP signal was detected, but the controller is not set up to start using SOPs. First check: SOP must be set as the start device or the SOP signal will be ignored.

Updated 2026-09-17 · LogrobotLM reference

Description

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

Remedy

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

Related codes

MHND-006WARN Program not selectedMHND-007WARN UOP Ignored. Wrong Start ModeMHND-009WARN Could not run task …MHND-010WARN Cycle power to change registers

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 →