Installing a non-redundant AC 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.
Unpack the new power supply unit (PSU).
Steps
1.
Slide the new PSU into the PSU cage until the PSU is fully seated.
2.
Tighten the screw to secure the PSU to the chassis.
3.
Connect all the power cables from the PSU to the system board, hard drive backplane, hard drives,
and optical drives.
Next steps
Follow the procedure listed in
After working inside your system
.
Power interposer board
The power interposer board is only supported in systems with redundant power supply units.
Removing the power interposer board
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.
Follow the procedure listed in
Before working inside your system
.
CAUTION: To prevent damage to the power interposer board, you must remove the power
supply units (PSUs) or PSU blank from the system before removing the power interposer
board (PIB).
3.
Remove the PSUs or PSU blanks from the back of the chassis.
4.
Remove the cooling shroud.
Steps
1.
Disconnect the power cables from the hard drive backplane and the system board.
2.
Pressing the release latch on the PIB, lift the PIB to release it from the hooks on the PSU cage.
3.
Lift the PIB out of the chassis.
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