
Installing a redundant power supply unit
Prerequisites
CAUTION: Many repairs may only be done by a certified service technician. You should only
perform troubleshooting and simple repairs as authorized in your product documentation, or as
directed by the online or telephone service and support team. Damage due to servicing that is
not authorized by Dell is not covered by your warranty. Read and follow the safety instructions
that came with the product.
1.
Ensure that you follow the
Safety instructions
.
2.
Verify that both power supply units (PSUs) are of the same type and have the same maximum output
power.
NOTE: The maximum output power (shown in Watt) is listed on the PSU label.
3.
If installed, remove the PSU blank.
Steps
Slide the new PSU into the chassis until the PSU is fully seated and the release latch snaps into place.
Next steps
1.
If you have unlatched the cable management arm, relatch it. For information about the cable
management arm, see the rack documentation of the system.
2.
Connect the power cable to the PSU and plug the cable into a power outlet.
CAUTION: When connecting the power cable, secure the cable with the strap.
NOTE: When installing, hot-swapping, or hot-adding a new PSU in a system with two PSUs,
allow several seconds for the system to recognize the PSU and determine its status. The PSU
status indicator turns green to signify that the PSU is functioning properly.
Removing a non-redundant power supply
Prerequisites
CAUTION: Many repairs may only be done by a certified service technician. You should only
perform troubleshooting and simple repairs as authorized in your product documentation, or as
directed by the online or telephone service and support team. Damage due to servicing that is
not authorized by Dell is not covered by your warranty. Read and follow the safety instructions
that came with the product.
1.
Ensure that you read the
Safety instructions
.
2.
Disconnect the power cable from the power source.
3.
Disconnect the power cable from the power supply and remove the straps that bundle and secure
the system cables.
4.
Follow the procedure listed in
Before working inside your system
.
NOTE: You may have to unlatch and lift the optional cable management arm if it interferes with the
power-supply removal. For information about the cable management arm, see the system’s rack
documentation.
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