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Rear LEDs

The following illustration shows LEDs on the rear of the server. By viewing the status of LEDs, you can often identify the source of the error.

Figure 1. Rear LEDs

Table 1. Rear LEDs
1 Power input LED 1 (green yellow)2 Power input LED 2 (green yellow)

1 2 Power input LED (green/yellow)

LEDStatusDescription
Power input LEDOn (green)The server is connected to the power adapter and working normally.
On (yellow)The server is connected to the power adapter but can not be powered on since the power capability is unable to support the system requirement.
OffThe power adapter is disconnected or a power problem occurs.