User`s manual
SC825 Chassis Manual
4-2
•Power Failure: When this LED ashes, it indicates a power failure in the power
supply.
•Overheat/Fan Fail: When this LED ashes it indicates a fan failure. When
continuously on (not ashing) it indicates an overheat condition, which may be
caused by cables obstructing the airow in the system or the ambient room
temperature being too warm. Check the routing of the cables and make sure
all fans are present and operating normally. You should also check to make
•Power: The main power switch is used to apply or remove power from the
power supply to the server system. Turning off system power with this button
removes the main power but keeps standby power supplied to the system.
Therefore, you must unplug system before servicing.
4-3 Control Panel LEDs
The control panel located on the front of the SC825 chassis has ve LEDs. These
LEDs provide you with critical information related to different parts of the system.
This section explains what each LED indicates when illuminated and any correc-
tive action you may need to take.
•Reset: The reset button is used to reboot the system.
4-2 Control Panel Buttons
There are two push-buttons located on the front of the chassis. These are (in order
from left to right) a reset button and a power on/off button.
!