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24 About Your System
Power Indicator Codes
An LED indicator on the power button provides information on system power
status.
The power supplies have indicators that show whether power is present or
whether a power fault has occurred.
Not lit — AC power is not connected.
Green — In standby mode, a green light indicates that a valid AC source is
connected to the power supply and that the power supply is operational.
When the system is on, a green light also indicates that the power supply is
providing DC power to the system.
Amber — Indicates a problem with the power supply.
Figure 1-6. Power Supply Status Indicator
1 power supply status
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