The WN57 alarm should never be ignored or simply cleared without proper investigation. Operating a machine with the override function active poses several risks:
Change K906.0 from 1 to 0 directly.
is currently active within the PMC (Programmable Machine Control)
Locate the and Rapid Traverse dials on your operator panel. Rotate both dials back to the 100% position. fanuc wn57 override function is active
This is a debugging feature typically used during the setup or maintenance of PMC programs to force signals into a specific state. While active, it can prevent the PMC program from operating normally, as forced signals may override actual machine logic. How to Disable the WN57 Warning
Setting will immediately deactivate the function and clear the WN57 alarm after a system restart.
What (e.g., rigid tapping, probing, automatic cycle start) triggers this code? The WN57 alarm should never be ignored or
FANUC alarms are categorized by prefixes:
Allowing the machine to function temporarily while waiting for a replacement sensor.
When operating a CNC machine powered by a FANUC controller, encountering warnings can disrupt your production workflow. One such notification is the warning. Rotate both dials back to the 100% position
Verify that the override function remains disabled on production machines.
Follow these steps to clear the WN57 message and restore normal machine operation. 1. Reset Physical Operator Dials
Switch back to or AUTO mode and attempt to cycle start. Preventive Maintenance Best Practices
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Check your override knobs. Set them all to 100%. The machine will then proceed.