LogrobotLM

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FANUC Alarm MHND-256 — PAUSE Clamp … state error

Manufacturer wording — PAUSE Clamp %s state error
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC MHND-256 (“PAUSE Clamp … state error”): The specified clamp open signal failed. First check: Check if all the clamp has is obstructed or the cylindicator is working properly.

Updated 2026-09-17 · LogrobotLM reference

Description

The specified clamp open signal failed.

Remedy

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

Related codes

MHND-254PAUSE … not sensing partMHND-255PAUSE … still reading partMHND-257PAUSE Clamp … state errorMHND-258PAUSE … did not make vacuum

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 →