Acer Altos R720 Istruzioni per gli Interventi Scaricare il pdf (Pagina 82)

3 System upgrade

Replacing a system fan

The system fans on the server can be individually replaced or hot-

swapped in the event of failure. To provide adequate cooling in the

chassis, at least 3 fans must be installed to the server. Each fan is

equipped with an LED to indicate a fan failure condition. If the system

fan LED is on, the fan assembly needs to be replaced. The system fan

LED remains off during normal operation.

The system ships out with only three system fans installed. The server

allows for installation of 3 more additional system fans in the event of

a fan failure.

System fans must be installed in the following order:

• First - Fan 2, fan 4, and fan 5

• Second - Fan 1, fan 3, and fan 6

Warning! To ensure proper system cooling, the replacement

of a failed system fan should be completed within one

minute.

To replace the system fan

Caution! Hot-swap operations should be performed only if a

failure occurs in the system fan assembly.

1 Observe the ESD precautions described on page 35.

2 Identify the defective fan. If a fan has failed the system fan LED

will be lit.

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Acer Altos R720 Istruzioni per gli Interventi Pagina 82