Fanuc Wn57 Override Function Is Active Review

This message——appears on FANUC CNC controls (often on series like 0i, 30i, 31i, 32i, or 21i) when the control is operating in a special override mode that bypasses certain safety or standard operating limits.

Knowledge of the safety implications of signal forcing and override functions.

If the machine is cutting correctly and no other alarms exist, , not critical. fanuc wn57 override function is active

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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 This message——appears on FANUC CNC controls (often on

Estimates generated by Computer-Aided Manufacturing (CAM) software rely on 100% feed rates. An active override skews production schedules.

| Item | Detail | |------|--------| | | Warning message number (varies slightly by FANUC model) | | 57 | Specific alarm/warning code | | Override function active | The CNC is using a non-standard override (e.g., rapid traverse override, feed override beyond normal limits, or special parameter-enabled override) | This public link is valid for 7 days

Check system variable #3004 . If #3004 is set to a value of 1, 2, or 3, it intentionally disables or alters feed hold and override functions. Resetting the control via the key usually reverts this variable to 0. Step 5: Diagnose Hardware via PMC Diagnostics