Universal Robots UR5 Service Manual page 80

To replace 48V power supply in controller box:
NOTE
Use the same procedure for power down and removing the aluminum cover plates
as in chapter,
or Replacement of Safety Control Board
1. Remove teach pendent cable – see previous section
2. Disconnect all the marked wires from the SCB.
UR5
Replacement of Motherboard
74
5. Service and Replacement of parts
3.0, Replacement of Motherboard 3.1
User Manual