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U41169-J-Z156-4-74
Power Supply Units
Power Supply
5.1.1
Replacing the Power Supply Unit
V
CAUTION!
It is imperative that you read the chapter
in this manual before you carry out work on your storage
subsystem.
If faults occur with the power supply unit, it could be necessary to replace a
power supply unit. Information about the relevant error messages can be found
in the sections
“Meaning of the Operating Status LEDs” on page 22
and in the chapter
.
Figure 12: Power Supply Unit Removed
V
CAUTION!
When a power supply unit is replaced in a non-redundant power supply
system (only one power supply unit present) the server must be
switched off or the SCSI channels deactivated.
Ê
If only one power supply unit is present, shut down the server and switch it
off.
Ê
Remove the lead of the defective power supply unit.
Ê
Raise the lower catch on the power supply unit and carefully remove it from
its slot by pulling on the upper catch. To remove the power supply unit the
lower catch must be in the up position.