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Item
1
PSU 1
2
PSU 2
Figure 36 PSU components
Item
1
PSU fan
2
Power plug
3
Retaining latch
4
Handle
5
DC power LED
6
Malfunction or failure LED
7
AC power LED
Procedure
1. Remove the power cord from the PSU.
2. Move the retaining latch to the right (you may hear a slight click if the PSU moves
when the latch disengages).
3. Using the handle on the PSU, pull the PSU out from the back of the server until you
can completely remove the PSU from the chassis.
4. Insert the replacement PSU. The retention latch should click into position all the way
to the left when the PSU is fully inserted.
If the PSU that is not being replaced is receiving mains power when the replacement
PSU is fitted, the fan on the replacement PSU becomes active.
5. Connect the power cord to the back of the PSU.
The PSU should start as soon as the power connection is made. If the PSU does not
start immediately, make sure the mains power circuit is live and that the other end
of the power cable is connected to a live outlet.
Chapter 5: Replacing server components
Hitachi NAS Platform and Hitachi Unified Storage Series 4000 Hardware Reference
Replacing a power supply unit
Description
Description
79
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