Dell PowerEdge R420 Owner's Manual - Page 79

Installing A Redundant Power Supply, Removing and Installing a Redundant Power Supply

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Figure 38. Removing and Installing a Redundant Power Supply 1. redundant power supply unit 2. release latch 3. power supply handle Installing A Redundant Power Supply 1. Verify that both power supplies are the same type and have the same maximum output power. NOTE: The maximum output power (shown in Watts) is listed on the power supply label. 2. If applicable, remove the power supply blank. 3. Slide the new power supply into the chassis until the power supply is fully seated and the release latch snaps into place. NOTE: If you unlatched the cable management arm in step 2 of the previous procedure, relatch it. For information about the cable management arm, see the system's rack documentation. 4. Connect the power cable to the power supply 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 power supply in a system with two power supplies, allow several seconds for the system to recognize the power supply and determine its status. The power-supply status indicator turns green to signify that the power supply is functioning properly. Removing A Non-Redundant Power Supply 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. Turn off the system, including any attached peripherals. 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. 79

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Figure 38. Removing and Installing a Redundant Power Supply
1. redundant power supply unit
2. release latch
3. power supply handle
Installing A Redundant Power Supply
1.
Verify that both power supplies are the same type and have the same maximum output power.
NOTE:
The maximum output power (shown in Watts) is listed on the power supply label.
2.
If applicable, remove the power supply blank.
3.
Slide the new power supply into the chassis until the power supply is fully seated and the release latch snaps into
place.
NOTE:
If you unlatched the cable management arm in step 2 of the previous procedure, relatch it. For information
about the cable management arm, see the system’s rack documentation.
4.
Connect the power cable to the power supply 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 power supply in a system with two power supplies,
allow several seconds for the system to recognize the power supply and determine its status. The power-supply
status indicator turns green to signify that the power supply is functioning properly.
Removing A Non-Redundant Power Supply
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.
Turn off the system, including any attached peripherals.
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.
79