Universal Robots UR3 Service Manual page 53

5. Service and Replacement of Parts
1. Disconnect the joint with correct ID no.
2. Enter Low Level Control
3. Press Turn power on and the connected joints enter BOOTLOADER mod
4. Press Go to Idle and the connected joints enter READY mode
5. Select Joint ID tab
6. Select J5 (The one to be changed)
7. Uncheck "Exchange IDs" box
8. In dropdown box, select ID no. 3
9. Press Set it
Service Manual 47 UR3