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
Service Manual