Replacing A Failed Power Supply Unit - NEC E120e-M User Manual

Chapter 2 Preparations

1.14.2 Replacing a Failed Power Supply Unit

Replace only when the power supply unit fails.
Remove the power supply unit in the following procedure.
1. Refer to steps 1 to 2 in Chapter 2 (1.3 Overview of Installation and Removal) for preparations.
2. Disconnect the AC power cord from the failed power supply unit.
3. Push the lever of the failed power supply unit toward inside, and pull the power supply unit while holding
the handle.
4. Insert the new power supply unit until it is locked with clicking sound.
Be sure to observe the following precautions to use the server safely. Failure to
observe the precautions may cause burns, injury, and property damage. For
details, refer to Safety precautions in Precautions for Use.
• Pay attention to electric hazard.
Important Do not remove a power supply unit operating normally.
In redundant power system is configured using two power supply units, the failed power
Tips
supply unit can be replaced while the system is powered on.
Express5800/E120e-M User's Guide
1. Installing Internal Optional Devices
CAUTION
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