Dell R820 Personal Computer User Manual


 
NOTE: In the event of a problem with a particular fan, the fan number is referenced by the system’s management
software, allowing you to easily identify and replace the proper fan by noting the fan numbers on the cooling fan
assembly.
Removing A Cooling Fan
WARNING: Opening or removing the system cover when the system is on may expose you to a risk of electric
shock. Exercise utmost care while removing or installing cooling fans.
WARNING: Do not operate the system without the cooling fans or the cover.
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 cooling fans are hot-swappable. To maintain proper cooling while the system is on, replace only
one fan at a time.
NOTE: The procedure for removing each individual fan module is the same.
1. Open the system.
2. Press the release tab and lift the fan out of the cooling-fan assembly.
Figure 22. Removing and Installing a Cooling Fan
1. cooling-fan assembly
2. release tab
3. cooling fans (6)
4. cooling fan connectors (6)
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