Fans
The system contains up to three fans and two blowers for cooling and airflow.
∙Located in the system board side of the system: some configurations may have up to two fans and two blowers.
∙Located in the power supply side of the system: configurations with only one or two power supplies also have a fan on the rear bulkhead. Configurations with three supplies do not have this fan. The fans integrated in the power supplies provide sufficient cooling and airflow.
Replace a failed fan with the same type, 92 mm with a tachometer signal, or an approved fan. Replace a failed blower with the same type. See Chapter 9, “I/O Ports and Connectors.” Contact your sales representative or dealer for a list of approved fans and blowers.
Removing a Front Panel Fan
See Figures
1.Observe the warnings and cautions on page 3, “Safety Guidelines.”
2.Remove the left side cover (page 80).
3.Depending on which fan you are removing, disconnect the fan power cable connector from the fan header, Fan 3 or Fan 4, on the system board.
4.Press the left outer flexible tab on the plastic housing and fan assembly toward the fan until you can pull the tab through the slot in the chassis.
5.Pull the assembly toward you, remove it from the chassis, and place it—
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