Understanding the FANUC WN57 Override Function Is Active Message
If the WN57 message appeared suddenly without manual intervention, it may indicate one of the following scenarios: fanuc wn57 override function is active
A technician may have used the override function to bypass a faulty interlock or sensor during a recent repair and forgot to disable it. Understanding the FANUC WN57 Override Function Is Active
Find the entry labeled or "倍率" (in some regional settings). Change the status from "YES" (or 1 ) to "NO" (or 0 ). Method 2: Adjusting Keep Relays (K-Addresses) Method 2: Adjusting Keep Relays (K-Addresses) If the
If the machine was recently accessed remotely via FANUC LADDER-III software, the override might have been triggered from the external PC. Summary Table: WN57 Message Details Description Message Type PMC Status/Warning (WN) Standard Address Typically controlled by K906.0 Criticality Low (Warning), but unsafe for production Required Action Disable Override Function in PMC Settings
The message is a specific PMC (Programmable Machine Control) warning often encountered on FANUC Series 0i and 30i/31i/32i CNC systems. Unlike critical hardware alarms that halt all operations, WN57 is primarily a status notification informing the operator that a specific debug or maintenance mode has been left enabled. What is the WN57 Override Function?
In rare cases, a loss of CMOS memory or a failing backup battery can cause parameters and keep relays to scramble, potentially "flipping" the bit for the override function.
