Be sure that the power distribution box has sufficient power provided to it. Long cable runs can result in a voltage drop, which can be solved by using a heavy gauge wire. Allows the drive to sense if the computer is on or off. Im honestly leaning towards the sata power cable, the sata data cable works just fine and windows detects it np. This happens everytime i boot it up and. A PDU is a device that distributes electrical power to multiple AV components, such as monitors, projectors, amplifiers, and other equipment in a meeting room. PDUs can vary from basic power strips to sophisticated units with surge protection and monitoring capabilities. DS460-12 (S/N xxxxxxxxx) shelf 10 on channel 0b power error for Power supply 1: critical status; AC Fail.