TX120 S3 Upgrade and Maintenance Manual 161
System fan and HDD fan
8.2 Replacing the HDD fan module
8.2.1 Replacing the HDD fan module for 3.5-inch version
8.2.1.1 Required tools
● Preliminary and concluding steps: tool-less
● Replacing the fan module: tool-less
8.2.1.2 Preliminary steps
Before replacing the HDD fan module, perform the following steps:
Ê Locate the defective server as described in section "Locating the defective
server" on page 50.
Ê Shut down the defective server as described in section "Shutting down the
server" on page 58.
Ê Disconnect the AC power cord from the system.
Ê Remove the server cover as described in section "Opening the server" on
page 61.
Ê Open the front cage as described in section "Opening the front cage" on
page 66.
Upgrade and Repair Units (URU)
Average task duration: 5 minutes