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FANUC Alarm BELL-061 — PAUS UOP immediate stop detected

FANUC BELL-061 (“PAUS UOP immediate stop detected”): IMSTP (immediate stop) UOP input not asserted. First check: If using UOP, clear source of fault.

Updated 2026-09-17 · LogrobotLM reference

Description

IMSTP (immediate stop) UOP input not asserted.

Remedy

If using UOP, clear source of fault. If not using UOP, select the I/O menus, zero UOP mapping, and cycle power on the controller.

Related codes

BELL-059PAUS DEADMAN switch RELEASEDBELL-060PAUS Fence open during productionBELL-062PAUS HOLD activeBELL-063PAUS PC serial interface fault

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 →