Fanuc Parameter — 1829 Exclusive

In FANUC CNC systems (such as the 0i-D, 0i-F, 16i, 18i, 21i, and 30i/31i/32i series), defines the Position Loop Gain Deviation Limit During Movement (often referred to as the dynamic position deviation limit or moving positional deviation limit).

Setting this value too high can allow a malfunctioning brake or damaged ballscrew to cause significant damage to the machine before an alarm is triggered. Summary of Key Actions Troubleshooting Action Mechanical Check lubrication, ballscrew, and linear ways for binds. Brake Check Z-axis brake relay and electrical connection. Servo Verify motor turning smoothly; check drive status. Parameter fanuc parameter 1829

Look at Parameter 1825. If 1825 is set to 3000 but 1829 is accidentally set to 1000 , change 1829 to match 3000 . If they already match, check if Parameter 1424 (deceleration speed) is too high, forcing the axis to slam past its deceleration zone. In FANUC CNC systems (such as the 0i-D,