Dell EMC PowerEdge R240 - Installing and Removing System Components; Safety Instructions

PowerEdge R240 installing and removing
system components
Safety instructions
NOTE: Whenever you need to lift the system, get others to assist you. To avoid injury, do not attempt to lift the system
by yourself.
WARNING: Opening or removing the system cover while the system is powered on may expose you to a risk of electric
shock.
CAUTION: Do not operate the system without the cover for a duration exceeding five minutes. Operating the system
without the system cover can result in component damage.
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 are shipped with your product.
CAUTION: To ensure proper operation and cooling, all bays in the system and system fans must be always populated
with a component or a blank.
NOTE: It is recommended that you always use an antistatic mat and antistatic strap while working on components inside
the system.
Before working inside your system
Prerequisites
Follow the safety guidelines listed in Safety instructions.
Steps
1. Power off the system and all attached peripherals.
2. Disconnect the system from the electrical outlet, and disconnect the peripherals.
3. If applicable, remove the system from the rack.
For more information, see the Rail Installation Guide at www.dell.com/poweredgemanuals.
4. Remove the system cover.
After working inside your system
Prerequisites
Follow the safety guidelines listed in Safety instructions on page 35.
Steps
1. Replace the system cover.
2. If applicable, install the system into the rack.
For more information, see the Rail Installation Guide at www.dell.com/poweredgemanuals.
3. Reconnect the peripherals and connect the system to the electrical outlet.
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PowerEdge R240 installing and removing system components 35