Universal Robots ur3 - Page 57

All rights reserved 57 Servicemanual_UR3_en_rev3.1.2
3. Remove the 2 nuts (M6) in the bottom of Controller module.
4. Gently take out the controller module from the Controller box
5. Power supplies are located in the rack under the controller module, the two 48V power supplies are
the lower ones in the rack. (UR3 and UR5 have one and the UR10 have two 48V power supplies)
Before dismounting the 48V power supply, mark and disconnect the cables from that supply.