154 Upgrade and Maintenance Manual TX120 S3
System fan and HDD fan
8.1 Replacing the system fan module
8.1.1 Required tools
● Preliminary and concluding steps: tool-less
● Replacing the fan module: tool-less
8.1.2 Preliminary steps
Before replacing the 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.
Upgrade and Repair Units (URU)
Average task duration: 5 minutes
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