WN57 OVERRIDE FUNCTION IS ACTIVE message on a FANUC control indicates that the PMC Override (forced I/O) function is currently enabled

Locate PMC Settings: Navigate to the PMC or SYSTEM menu on your controller.

This Fanuc message indicates that a customized Override Function (WN57)

. This bit typically controls whether the override function is enabled. Why This Happens

1. Press RESET once. Does the warning clear? If not:
2. Go to MDI mode.
3. Input a simple command (e.g., M03 S500;).
4. Press CYCLE START to execute it. This often clears the "override pending" state.
5. Return to MEM mode.

Fanuc Wn57 Override Function Is Active

WN57 OVERRIDE FUNCTION IS ACTIVE message on a FANUC control indicates that the PMC Override (forced I/O) function is currently enabled

Locate PMC Settings: Navigate to the PMC or SYSTEM menu on your controller.

This Fanuc message indicates that a customized Override Function (WN57)

. This bit typically controls whether the override function is enabled. Why This Happens

1. Press RESET once. Does the warning clear? If not:
2. Go to MDI mode.
3. Input a simple command (e.g., M03 S500;).
4. Press CYCLE START to execute it. This often clears the "override pending" state.
5. Return to MEM mode.