LogrobotLM

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FANUC Alarm MHND-257 — PAUSE Clamp %s state error

FANUC MHND-257 (“PAUSE Clamp %s state error”): The specified clamp closed signal failed. First check: Check if all the clamp has is obstructed or the cylindicator is working properly.

Updated 2026-08-29 · LogrobotLM reference

Description

The specified clamp closed signal failed.

Remedy · Remède

Check if all the clamp has is obstructed or the cylindicator is working properly.

Frequently asked · Questions fréquentes

What does FANUC alarm MHND-257 mean?
FANUC MHND-257 (“PAUSE Clamp %s state error”): The specified clamp closed signal failed.
How do you troubleshoot FANUC alarm MHND-257?
Check if all the clamp has is obstructed or the cylindicator is working properly.

Related codes / Codes liés

MHND-255PAUSE %s still reading partMHND-256PAUSE Clamp %s state errorMHND-258PAUSE %s did not make vacuumMHND-259PAUSE %s vacuum is not off

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. · Informations indicatives issues du terrain — le manuel du constructeur et ses procédures de sécurité font foi. Ne shuntez jamais un organe de sécurité ; consignez (LOTO) avant toute intervention physique. How this reference is built →