First and foremost, it is critical to note that in the traditional sense. In Fanuc terminology, messages beginning with "W" are typically warning or status messages , not errors that stop the machine. The "WN" prefix often stands for "Warning Notification."
To understand WN57, you must appreciate the multi-layered safety system in a Fanuc CNC. fanuc wn57 override function is active
If you did not intentionally activate an override and WN57 appears, stop the machine immediately and investigate. First and foremost, it is critical to note