FANUC Alarm MHND-257 — 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-257 (“PAUSE Clamp … 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 2026-09-17 · LogrobotLM reference

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 →