Lenovo ThinkEdge SE455 V3 User Manual page 103

CAUTION:
The power-control button on the device and the power switch on the power supply do not turn off the
electrical current supplied to the device. The device also might have more than one power cord. To
remove all electrical current from the device, ensure that all power cords are disconnected from the
power source.
Attention:
• Read "Installation Guidelines" on page 39
work safely.
• Power off the server and peripheral devices and disconnect the power cords and all external cables. See
"Power off the server" on page
• Touch the static-protective package that contains the component to any unpainted metal surface on the
server; then, remove it from the package and place it on a static-protective surface.
Procedure
Step 1. Install the fan control board.
a. Align the fan control board with the guide pins on the chassis; then, lower down and slide
the fan control board until the guide pins are seated in the small opening of the keyholes.
b. Fasten the thumbscrew to secure the fan control board.
Figure 64. Installing the fan control board
Step 2. Connect the cables to the fan control board. See
board (FCB) cable routing" on page
After this task is completed
1. Reinstall the fan cage. See
2. Reinstall all the fan modules. See
and "Safety inspection checklist" on page 40
48.
232.
"Install the fan cage" on page
"Install a fan module" on page
"Power distribution board (PDB) and fan control
96.
90.
.
Chapter 5 Hardware replacement procedures
to ensure that you
95