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FANUC Alarm SYST-007 — WARN NETWORK is the master device

FANUC SYST-007 (“WARN NETWORK is the master device”): The attempted operation could not be done because the NETWORK command processor is the master device. 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 NETWORK command processor is the master device.

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

SYST-005WARN UOP is the master deviceSYST-006WARN KCL is the master deviceSYST-008WARN Nothing is the master deviceSYST-009WARN Safety Fence open

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 →