LogrobotLM

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FANUC Alarm MHND-237 — WARN Error: Clamp is not setup.

FANUC MHND-237 (“WARN Error: Clamp is not setup.”): The clamp signal number (S#) can not be zero. First check: Select MENU, I/O, MH Valves to setup the gripper signals.

Updated 2026-09-17 · LogrobotLM reference

Description

The clamp signal number (S#) can not be zero.

Remedy

Select MENU, I/O, MH Valves to setup the gripper signals.

Related codes

MHND-235WARN Valve …: Manual releaseMHND-236WARN Error: Valve is not setup.MHND-238WARN Error: PartPres is not setup.MHND-239WARN Error: Vacuum Made is not setup.

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 →