Fanuc Wn57 Override Function Is Active _verified_ -

Check your override knobs. Set them all to 100%. The machine will then proceed.

To clear this alarm and return the machine to its standard operating state, you must turn off the override function: Via PMC Parameters Screen: Navigate to the PMC Parameter setting screen on your CNC control. Locate the (倍率) function option. Move the cursor to this setting and change it to "Disabled" Restart the CNC to clear the alarm. Via Keep Relay (K-Address): The override function is often mapped to keep relay Directly changing the value of K906.0 to 0 fanuc wn57 override function is active

It is primarily used during machine commissioning or troubleshooting to simulate signals or bypass certain interlocks to test ladder logic. Check your override knobs

✅ set to 100% when parameter has flagged that as “override active” ✅ Feed override knob set above 100% (if parameter enabled) ✅ Manual handle override (jog/handle multiplier in effect) ✅ Programmed override via PMC or G-code (e.g., G10.6 or G10.9 on some controls) ✅ Dry run + feed override combination tripping a builder-defined warning ✅ Machine builder’s custom PMC logic activates WN57 when any override ≠ 100% To clear this alarm and return the machine

"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.

Before you panic and reboot the entire machine (which you should avoid unless necessary), follow this systematic checklist.