Fans - Nvidia Spectrum-3 SN4000 Series Hardware User Manual

2. Make sure that the board connector is on the lower side of the FRU module, and Insert the
unit by sliding it into the opening, until a slight resistance is felt.
3. Continue pressing the power supply unit until it seats completely. The latch will snap into
place, confirming the proper installation.
4. Insert the power cord into the supply connector.
5. Insert the other end of the power cord into an outlet of the correct voltage.
*Illustration only. The design may vary in different systems.

The green power supply unit indicator should light. If it does not, repeat the whole
procedure to extract the power supply unit and re-insert it.

Fans

The system can fully operate if one fan FRU is dysfunctional. Failure of more than one fan is not
supported.

Make sure that the fans have the air flow that matches the model number. An air flow
opposite to the system design will cause the system to operate at a higher (less than
optimal) temperature. For power supply unit air flow direction, refer to

If operating the systems at full capacity with all ports occupied, and at 40°C ambient
temperature, and one of the system fans becomes faulty, it is recommended to replace the
fan within 24 hours of failure.
To remove a fan unit:
Air Flow.
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