LogrobotLM

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FANUC Alarm APSH-034 — WARN No UOP output defined

FANUC APSH-034 (“WARN No UOP output defined”): The User Operator Panel output group has not been defined. First check: Set up the UOP Outputs in the UOP I/O menu and restart the robot controller.

Updated 2026-09-17 · LogrobotLM reference

Description

The User Operator Panel output group has not been defined.

Remedy

Set up the UOP Outputs in the UOP I/O menu and restart the robot controller.

Related codes

APSH-032WARN Robot Servos DisabledAPSH-033WARN PLC comm error - timeoutAPSH-035WARN Robot is in Bypass modeAPSH-036WARN User JOB has been paused

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 →