Universal Robots UR3 Service Manual page 79

5. Service and Replacement of Parts
12. Replace the defect 48V power supply with the new one.
13. Reconnect the wires for the 48V power supply.
14. Reinstall controller module in reverse order and reconnect the 2 wires for the fan and
cables for the teach pendant.
15. Carefully put back the aluminum cover plate, making sure to mount it correctly and fix into
place with the screws.
16. Connect power and verify that teach pendant works properly.
Merge Control Box
WARNING
Before replacing ANY components inside the control box, it is IMPORTANT to do
a complete shutdown.
Follow the first 3 steps in section Complete rebooting sequence.
When completing the following replacement, please follow the guidelines laid out in section
Handling ESD-sensitive parts
NOTE
Use the same procedure for power down and removing the aluminum cover plates
as in chapter,
Safety Control Board
To replace 48V power supply in controller box:
Service Manual
3.2.1 Replacement of Motherboard 3.1 or 3.2.2 Replacement of
73
3.0
UR3