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3.8 Power Supply
The chassis features redundant power supplies. The system will continue to operate if one
module fails. It should be replaced as soon as convenient. The power supply modules are
hot-swappable, meaning they can be changed without powering down the system. New units
can be ordered directly from Supermicro or authorized distributors.
These power supplies are auto-switching capable. This feature enables them to automatically
sense the input voltage and operate at a 100-127 Vac or 200-240 Vac, 50-60 Hz
Power Supply LEDs
On the rear of the power supply module, an LED displays the status.
•
Solid Green: When illuminated, indicates that the power supply is on.
•
Blinking Green: When blinking, indicates that the power supply is plugged in and turned
off by the system.
•
Blinking Amber: When blinking, indicates that the power supply has a warning condition
and continues to operate.
•
Solid Amber: When illuminated, indicates that the power supply is plugged in, and is in
an abnormal state. The system might need service. Please contact Supermicro technical
support.
Changing the Power Supply Module
1. Unplug the power cord from the module to be replaced.
2. On the back of the module, push the release tab sideways.
3. Pull the module out using the handle.
4. Push the new power supply module into the power bay until it clicks. Replace with the
same model.
5. Plug the AC power cord back into the module.
Important! To ensure a proper connection to the power supply module, please follow these
steps when attaching the power cord to a power supply (SYS-211TP-HPTRD).
6. Plug the power cord into the power supply with the shape of the header in the correct
orientation to fit the male connector on the power supply unit..
7. Tighten the screws on the head of the cord.
8. Turn on the power source.
Chapter 3: Maintenance and Component Installation
59
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Troubleshooting
