Universal Robots UR10 Service Manual page 60

3. Remove the 2 nuts (M6) in the bottom of Controller module.
4. Gently take out the controller module from the Controller box without disconnecting the robot
cable and power cable.
5. Power supplies are located in the rack under the controller module, the two 48V power supplies
are the lower ones in the rack. (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.
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