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Power Supply
The 6028U-E1CNR(4)T+ has a 1600 watt redundant hot-plug power supply consisting of two
power modules. Each power supply module has an auto-switching capability, which enables
it to automatically sense and operate at a 100V - 240V input voltage.
Replacing a Power Supply Module
If either of the two power supply modules fail, the other module will take the full load and allow
the system to continue operation without interruption. The Power Fail LED will illuminate and
remain on until the failed unit has been replaced. Replacement units can be ordered directly
from Supermicro. The power supply units have a hot-plug capability, meaning you can replace
the failed unit without powering down the system.
Replacing the Power Supply
1. First unplug the AC power cord from the failed power supply module.
2. Depress the release tab on the power supply module as illustrated.
3. Use the handle to pull the module straight out of the chassis.
4. Replace the failed hot-swap unit with another identical power supply unit.
5. Push the new power supply unit into the power bay until it clicks.
6. Plug the AC power cord back into the unit and power up the server.
Figure 3-12. Removing/Replacing the Power Supply
Chapter 3: Maintenance and Component Installation
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