The following illustrations show the light-emitting diodes (LEDs) on the system board.
Press the power button to light the LEDs on the system board when the power source has been removed from the server.
Figure 1. System-board LEDs
Table 1. System board LEDs description and actions| LED | Description and actions |
|---|
| 1 System error LED (yellow) | An error has been detected on the server. Causes might include one or more of the following errors: The temperature of the server reached the non-critical temperature threshold. The voltage of the server reached the non-critical voltage threshold. A fan has been detected to be running at low speed. The power supply has a critical error. The power supply is not connected to the power.
Check system logs or internal error LEDs to identify the failed part. |
| 2 System power LED (green) | The states of the system power LED are as follows:Off: No power supply is properly installed, or the LED itself has failed. Flashing rapidly (four times per second): The server is turned off and is not ready to be turned on. The power-control button is disabled. This will last approximately 5 to 10 seconds. Flashing slowly (once per second): The server is turned off and is ready to be turned on. Press the power-control button to turn on the server. On: The server is turned on.
|