Removing the power supply unit blank
If you are installing a second power supply unit, remove the power supply unit blank in the bay by pulling
the blank outward.
CAUTION: To ensure proper system cooling, the power supply blank must be installed in the
second power supply bay in a non-redundant configuration. Remove the power supply blank
only if you are installing a second power supply.
Figure 39. Removing and installing the power supply blank
1. power supply blank 2. power supply bay
Installing the power supply unit blank
Install the power supply unit blank only in the second power supply unit bay.
1. Align the blank with the power supply unit bay.
2. push it into the chassis until it clicks into place.
Removing an AC power supply unit
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.
CAUTION: The system requires one power supply for normal operation. On power-redundant
systems, remove and replace only one power supply at a time in a system that is powered on.
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