Device maintenance and repair
7.3 Removing and installing hardware
Operating Instructions, 01/2021, A5E43920357-AA
137
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.
Disconnect the cables from the drives and the motherboard.
4.
Remove the cable ties securing the power cables in the enclosure.
5.
Remove the four fixing screws that are marked in the figure below.
6.
Pull the power supply upward and out of the housing.
7.
Install the new power supply.
8.
Fasten the power supply with the screws shown.
9.
Connect the cables to the drives and the motherboard.
10.Use cable ties to reattach the power supply cables to the enclosure.
11.Close the device.
12.Check the safe state of the device.
13.Switch on the power supply.
7.3.5
Replacing redundant power supply (AC) module
If a module of the redundant power supply is defective, you can continue to operate the
device until the device can be shut down in a controlled manner.
The replacement of one of the two modules of the redundant power supply can be
performed without shutting down the device.
Requirement
•
An original spare part, i.e. a module of the redundant power supply of the same type. For
information on replacement parts, refer to "Hardware accessories (Page 35)".
•
Cross-tip screwdriver P1