C72 Power Supply Unit failure

C72A1 0 PSUs are active

PSU was not able to deliver 48V

Check power connection between power supply and Safety Control Board

C72A2 1 PSU active, but we expect 2 (UR10)

PSU was not able to deliver 48V or UR10 flash card in UR5 robot

Check power connection between power supply and Safety Control Board and check that the flash card and robot match

C72A3 2 PSUs active, but we expect 1 (UR5)

UR5 flash card in UR10 robot

Check that the flash card and robot match

If you unable to resolve the issue, login to http://myUR.universal-robots.com and create a new case.