QCT QuantaGrid Series, Service Manual

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I
NSTALLING
H
ARDWARE
P
OWER
S
UPPLY
U
NIT
2-2
2.2 Power Supply Unit
If your server is configured in a redundant configuration, you can replace a failed or failing
power supply without powering down the server. Use the LED on the power supply to
determine the status of the target PSU.
Each power supply module has a single bi-color LED, see PSU View on page 1-10.
Removing the Redundant Power Supply Unit
1. Locate the redundant power supply to service.
2. Release power cord from the power cord clamp.
3. Unplug the AC power cord from the power supply.
4. Press in the latch to release the power supply module.
5. Grasp the handle and press and hold the locking latch.
6. Pull the power supply from the chassis and set it on a clean workspace.
Figure 2-1. Removing a Redundant PSU
7. Replace with a new power supply.
CAUTION!
E
NSURE ALL POWER IS DISCONNECTED FROM THE SYSTEM BEFORE PROCEEDING
.
!
Handle
Locking Latch