Device maintenance and repair
7.3 Removing and installing hardware
Operating Instructions, 01/2021, A5E43920357-AA
139
7.3.6 Changing the enclosure of the redundant power supply (AC)
Note
Conversion from a single power supply (AC) to a re
dundant power supply (AC) and vice versa
Requirement
• You know the important safety instructions under "Safety instructions on device and
system extensions (Page 48)".
• An original replacement part, i.e. the enclosure of a redundant power supply of the same
type. For information on replacement parts, refer to "
• Hardware accessories (Page 35)".
• T10 screwdriver
Procedure
1. Fully disconnect the device from the line voltage, see "Switching off the device (Page 72)".
2. Open the device. Be sure to follow the important instructions under "Open the device
(Page 93)".
3. Remove the two modules of the redundant power supply. (Page 137)
4. Remove the cable ties securing the power cables in the enclosure.
5. Disconnect the cables from the drives and the motherboard.
6. Unscrew the marked screw ① inside the device enclosure.
7. Unscrew the screws at the 4 marked positions on the inside of the redundant power supply
enclosure.
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