LogrobotLM — AI fault diagnosis for ABB · KUKA · FANUC robots. It reads your robot backup in your browser (never uploaded) and pinpoints the fault. Try it free →

FANUC Alarm MHND-254 — PAUSE … not sensing part

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

FANUC MHND-254 (“PAUSE … not sensing part”): The part present input does not detect the signal First check: Check if part is in range of the switch

Updated 2026-09-17 · LogrobotLM reference

Description

The part present input does not detect the signal

Remedy

Check if part is in range of the switch

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 →