1. Installing Internal Optional Devices
Express5800/T110g-E User’s Guide
97
Chapter 2 Preparations
Replacing or removing a faulty redundant power supply
1.15.3
Only replace power supplies if they are faulty.
CAUTION
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 the power supply that is operating normally.
Do not use the server with a faulty power supply removed. Remove power supply
only when replacing with a new one.
1. Make sure that AC POWER LED on the power supply lights or blinks amber.
2. Turn off the server.
Tips
In the redundant power configuration and if either one of power supply units fails, the failing
power supply unit can be replaced with the system power on.
3. Remove the power cable from the power supply that was checked in step 1.
4. Push the lever of the power supply toward the inside and slide the unit out by pulling on its handle.
5. When removing one power supply from a redundant configuration and not replacing it, thereby
changing to a single power supply configuration, attach the blank cover according to step 2 in
Chapter
2
1.15.2 Installing a redundant power supply
Important To maintain the cooling effect in the server, install the blank cover in the vacant slot.
6. Install the power supply in the server. Push the power supply unit until it clicks, indicating that it is
locked
