LogrobotLM

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FANUC Alarm SYST-177 — RobotLink master is the master

FANUC SYST-177 (“RobotLink master is the master”): The attempted operation could not be done because the robot is under control of the RobotLink Master robot. First check: Set the remote/local operation mode to Local in the system configuration screen(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 robot is under control of the RobotLink Master robot.

Remedy

Set the remote/local operation mode to Local in the system configuration screen(if the operation is attempted from the SOP), or set the $RMT_MASTER system variable correctly. Set the variable to one of the following values:

Related codes

SYST-175WARN System was updatedSYST-176Software was updatedSYST-188book was not createdSYST-189There is no book

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 →