Air Flow Sensor Board Replacement - Lenovo ThinkEdge SE455 V3 User Manual

Air flow sensor board replacement

Follow instructions in this section to remove and install the air flow sensor board.
Remove the air flow sensor board
Follow the instructions in this section to remove the air flow sensor board.
About this task
S002
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.
• If applicable, remove the security bezel. See
• Power off the server and peripheral devices and disconnect the power cords and all external cables. See
"Power off the server" on page
• If the server is installed in a rack, remove the server from the rack. See
on page 49.
Procedure
Step 1. Make preparation for this task.
a. Remove the top cover. See
b. Remove all the PCIe assemblies. If the configuration comes with PCIe riser 2 and internal
drives, remove all the internal drives, and lift the internal drive backplane before removing PCIe
riser 2. See
c. Remove the processor air baffle. See
Step 2. Loosen the two screws that secure the air flow sensor board; then, slightly slide the air flow sensor
board backwards, and lift it up to remove it.
and "Safety inspection checklist" on page 40
"Remove the security bezel" on page
48.
"Remove the top cover" on page
"Remove the PCIe riser assembly" on page
"Remove the server from the rack"
141.
"Remove the processor air baffle" on page
.
Chapter 5
to ensure that you
195.
223.
67.
Hardware replacement procedures 75