Fanuc Wn57 Override Function Is Active

on FANUC CNC controls indicates that the machine is running with an active feed override or rapid override function tied to a safety or watchdog feature that modulates axis motion. It’s commonly seen as a displayed override status (often in the MPG/MDI or alarm/message area) when the control has detected a condition where commanded motion has been limited or overridden by the system. The exact behavior and causes vary by FANUC series and machine OEM implementation.

within the PMC program without needing the actual machine hardware to be in a specific position. fanuc wn57 override function is active

He tapped the Diagnostic soft key again. The WN57 alarm was a "Watchdog" type. It meant the PLC (Programmable Logic Controller) was waiting for a specific condition to go low before it allowed the CNC to proceed. Usually, clearing an override alarm was simple: return the dial to 100% and hit Cycle Start. on FANUC CNC controls indicates that the machine

Marcus walked over, his eyes scanning the messy control panel. "Check the parameters. Maybe someone messed with the skip blocks." within the PMC program without needing the actual

⚠️ Only do this if you fully understand safety risks.