Dell PowerEdge 2650 Anleitung zur Fehlerbehebung PDF herunterladen (Seite 49)

1. Lower the fan into the retention base until the fan snaps into position (see Figure6-1).

2. Replace the cover (see "Replacing the Cover" in "Troubleshooting Your System").

Power Supplies

The system includes one or two hot-pluggable power supplies.

Removing a Power Supply

1. Squeeze the latch at the bottom of the power-supply handle.

2. Rotate the power-supply handle up until the power supply is released from the chassis (see Figure6-2).

3. Pull the power supply straight out to clear the chassis (see Figure6-2).

Figure 6-2. Removing and Installing a Power Supply



Replacing a Power Supply

1. With the power-supply handle in the extended position, slide the new power supply into the chassis (see Figure6-2).

2. Rotate the handle down until it snaps into place (see Figure6-2).

Expansion-Card Cage

The removable expansion-card cage simplifies many installation procedures by allowing you to remove the riser board and all installed expansion cards in a

single step.

Removing the Expansion-Card Cage

1. Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet.

2. Remove the cover (see "Removing the Cover" in "Troubleshooting Your System").

3. Disconnect all expansion-card cables.

4. Rotate the expansion-card cage lever up until the cage is released from the chassis (see Figure6-3).

5. Lift the cage straight up to clear the chassis (see Figure6-3).

Figure 6-3. Removing and Installing the Expansion-Card Cage



NOTICE: The power supplies are hot-pluggable. The system requires one power supply to be installed for the system to operate normally. The system

is in the redundant mode when two power supplies are installed. Remove and replace only one power supply at a time in a system that is powered on.

NOTE: After installing a new power supply, allow several seconds for the system to recognize the power supply and determine whether it is working

properly. The power- on indicator will turn green to signify that the power supply is functioning properly (see Figure2-4).

CAUTION: Before you perform this procedure, you must turn off the system and disconnect it from its power source. For more information, see

"Safety First—For You and Your System" in "Troubleshooting Your System."

NOTICE: See "Protecting Against Electrostatic Discharge" in the safety instructions in your System Information document.

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