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5288 V3 Server V100R003 User Guide 26

This document describes the features, appearance, and technical specifications of the 5288 V3 server, and how to install, power on, and power off the 5288 V3 server, connect cables, and install an operating system (OS) for it.
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Removing an AC PSU

Removing an AC PSU

Remove an AC power supply unit (PSU) before replacing it with a new one.

When two PSUs are configured, remove one PSU without powering off the 5288 V3 if the other PSU is operating properly and its power rating is greater than or equal to the power rating of the 5288 V3.

Observe the PSU indicators to check the PSU operating status. For details about the indicators, see Indicators and Buttons.


  1. Wear an ESD wrist strap. For details, see Safety Instructions.
  2. Determine the rack number and chassis number of the server to be removed, and label its panel to prevent misoperations.
  3. If only one PSU is configured, power off the 5288 V3. For details, see Powering Off the Server.
  4. Remove a power cable from a PSU.

  5. Press the latch on the PSU in the arrow direction, and pull the PSU out of the slot by holding the handle. See steps (1) and (2) in Figure 7-15.

    Figure 7-15 Removing a PSU

  6. Place the removed PSU in an ESD bag.
Updated: 2018-11-26

Document ID: EDOC1000080031

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