
technical reference guide
2–27
Installing or Replacing Parts and Accessories
LED status panel
The LED status panel contains a set of LEDs and buzzer that provide status and troubleshooting
information.
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CAUTION:
Some system settings are saved to the LED status panel. If you are replacing
both
the LED
status panel and the system board, they must be replaced one at a time to avoid loss of system settings.
First replace one component, then turn on the system and boot to the EFI prompt. After confirming that the
first component has been replaced successfully, shut down the system and replace the second
component.
removing the LED status panel
1. Turn off the system, disconnect all cables, and remove the system covers.
2. Disconnect the LED status panel controller cable.
3. Unscrew the two LED status panel mounting screws and remove the panel.
Disconnecting the LED Status Panel
replacing the LED status panel
1. Replace the LED status panel in the system and screw in the two LED status panel mounting
screws.
2. Connect the LED status panel controller cable.
3. Replace the system covers and reconnect all power cables. Turn on the system and verify that
the system and power LEDs light up.
1
Mounting screws
2
LED controller cable
3
LED status panel
1
2
3
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