Fanuc Wn57 Override Function Is Active |best| 🎁 Proven

Find the [PMC Parameter] or [PMC Config] screen.

"See?" Elias pointed. "The computer thinks I’m holding down the override button. But look." He spun the physical override dial on the panel back and forth. The on-screen percentage readout tracked it perfectly. 50%. 100%. 150%. It should have been clear. fanuc wn57 override function is active

The message is a specific PMC (Programmable Machine Control) alarm found on FANUC CNC systems . It indicates that the Override Function —a debugging tool used to manually force PMC signals—is currently enabled . Find the [PMC Parameter] or [PMC Config] screen

A: Yes, by modifying the PMC message table, but this is extremely dangerous and voids safety certifications. Never do this on a production machine. But look

The message "WN57 override function is active" indicates that one or more feedrate or spindle override functions are currently enabled on a FANUC CNC control. This is a status/notification describing that the machine will not run at the programmed nominal feed or spindle speed because operator overrides are modifying those values in real time.