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FANUC Alarm SYST-005 — WARN UOP is the master device

FANUC SYST-005 (“WARN UOP is the master device”): The attempted operation could not be done because the User Operator Panel is enabled. First check: Turn the REMOTE switch to local (if the operation is attempted from the SOP), or set the $RMT_MASTER system variable correctly.

Updated 2026-09-17 · LogrobotLM reference

Description

The attempted operation could not be done because the User Operator Panel is enabled.

Remedy

Turn the REMOTE switch to local (if the operation is attempted from the SOP), or set the $RMT_MASTER system variable correctly. Refer to the SYSTEM R-J2 Software Reference Manual, Chapter 2 "System Variables", for more information on system variables.

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 →