Dell PowerEdge 4100 Service Manual - Page 54

Power Supply

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Power Supply The computer may have one or two power supplies. Figure 4-11. Power Supply Removal power closeout panel power supply (optional) power supply cable strain relief insertion screw AC power cable connector locking switch To remove a power supply, follow these steps: WARNING: In a redundant system, you can remove and replace a power supply without turning off the system. When doing so, be careful not to touch any of the connectors on the power-supply paralleling board. CAUTION: To maintain proper airflow and prevent the system from overheating, each power supply bay must have either a power supply or a power closeout panel installed. 1. Turn the locking switch on the power supply to the Off position (marked by a "0"). 2. Unhook the cable strain relief to free the AC power cable. 3. Disconnect the AC power cable from the power outlet; then disconnect the other end of the cable from the power supply. 4. Turn the insertion screw counterclockwise to release the power supply. 5. Slide the power supply out of the chassis. To replace a power supply, perform these steps in reverse order. 4-12 Dell PowerEdge 4100/180 and 4100/200 Systems Service Manual

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4-12
Dell PowerEdge 4100/180 and 4100/200 Systems Service Manual
P
ower Supply
The computer may have one or two power supplies.
Figure 4-11.
Power Supply Removal
To remove a power supply, follow these steps:
1.
Turn the locking switch on the power supply to the Off position
(marked by a “0”).
2.
Unhook the cable strain relief to free the AC power cable.
3.
Disconnect the AC power cable from the power outlet; then disconnect
the other end of the cable from the power supply.
4.
Turn the insertion screw counterclockwise to release the power supply.
5.
Slide the power supply out of the chassis.
To replace a power supply, perform these steps in reverse order.
WARNING: In a redundant system, you can remove and replace a power
supply without turning off the system. When doing so, be careful not to
touch any of the connectors on the power-supply paralleling board.
CAUTION: To maintain proper airflow and prevent the system from
overheating, each power supply bay must have either a power supply or
a power closeout panel installed.
power supply
AC power cable
connector
locking switch
insertion screw
cable strain
relief
power supply
(optional)
power closeout
panel