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Hazardous voltage, current, and energy levels are present inside any component that has this label
attached. There are no serviceable parts inside these components. If you suspect a with one of these
parts, contact a service technician.
Read the safety information in “Safety” on page v and “Installation guidelines” on page 31.
If you are replacing a server component in the server, you need to slide the server out from the rack
enclosure, turn off the server and peripheral devices, and disconnect the power cords and all external cables.
To replace the fixed power supply, complete the following steps.
Step 1.
Place the new power supply into the bay.
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Figure 147. Fixed power supply installation
Step 2.
Tighten the captive thumbscrew that secures the power supply to the chassis bottom.
Step 3.
Fasten the screw that holds the power supply to the rear of the chassis.
Step 4.
Connect the internal power-supply cable from the power supply to the power connectors on the
system board (see “System-board internal connectors” on page 26 for the locations of the power
connectors on the system board).
Step 5.
Route the internal power-supply cables, securing them with the retention-clips.
Step 6.
Test the power supply:
a.
Connect one end of the ac power cord for the new power supply into the connector on the
back of the power supply, and connect the other end of the power cord into a properly
grounded electrical outlet.
b.
Make sure that the standby power LED on the system board is lit (see “System-board LEDs”
on page 29); if the standby power LED is not lit, discontinue this procedure and obtain a
new power supply.
c.
Press the power-control button. Make sure that the power-on LED on the front of the server
is lit.
218
Lenovo System x3250 M5Installation and Service Guide
Summary of Contents for System x3250 M5
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