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FANUC Alarm MHND-258 — PAUSE … did not make vacuum

Manufacturer wording — PAUSE %s did not make vacuum
The manual prints placeholders; your controller fills them in with the real group, axis or number.

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

Updated 2026-09-17 · LogrobotLM reference

Description

The vacuum switch is not detecting vacuum.

Remedy

Check all of the vacuum cups for a complete seal.

Related codes

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 →