Fanuc Alarm 233 DEVICE BUSY
Fanus Control Model: 16/18/21, 16i/18i/21i
Alarm Description
When an attempt was made to use a unit such as that connected via the RS–232–C interface, other users were using it.
Help the CNC Community: How Did You Fix It?
If you have encountered this Fanuc Alarm 233 DEVICE BUSY error code before or know a proven troubleshooting step to resolve it, please share your solution in the comments below