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FANUC Alarm MHND-258 — PAUSE %s did not make vacuum

FANUC MHND-258 (“PAUSE %s did not make vacuum”): The vacuum switch is not detecting vacuum. First check: Check all of the vacuum cups for a complete seal.

Updated 2026-08-29 · LogrobotLM reference

Description

The vacuum switch is not detecting vacuum.

Remedy · Remède

Check all of the vacuum cups for a complete seal.

Frequently asked · Questions fréquentes

What does FANUC alarm MHND-258 mean?
FANUC MHND-258 (“PAUSE %s did not make vacuum”): The vacuum switch is not detecting vacuum.
How do you troubleshoot FANUC alarm MHND-258?
Check all of the vacuum cups for a complete seal.

Related codes / Codes liés

MHND-256PAUSE Clamp %s state errorMHND-257PAUSE Clamp %s state errorMHND-259PAUSE %s vacuum is not offMHND-260ABORT Parm %s is not between 1-10

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 →