The Fanuc message "WN57 OVERRIDE FUNCTION IS ACTIVE" is a PMC (Programmable Machine Control) status message indicating that the machine's signal override feature is currently enabled. This function is primarily used as a debugging tool
To remove the WN57 warning, you must disable the override function in the PMC parameter settings. Here are the common methods, ordered from simplest to most technical. Method 1: Changing the PMC Parameter Screen (Recommended) Go to the or PMC screen on your Fanuc controller. Navigate to the PMCPRM (PMC Parameter) screen. Find the option for "Override" or "Force". fanuc wn57 override function is active
The WN57 alarm (or status message) on a FANUC CNC control indicates that an override function is currently enabled – typically a rapid traverse override , feed rate override , or a dry run override . Unlike many alarms, WN57 is generally an informational message , not a critical error. The machine will continue to run, but with altered motion parameters. The Fanuc message "WN57 OVERRIDE FUNCTION IS ACTIVE"