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S
W
UPER
ORKSTATION 7034A-T/7034A-i Manual
3-3
Control Panel LEDs
The control panel located on the front of the SC733T-645/SC733i-645 chassis
has four LEDs that provide you with critical information related to different
parts of the system. This section explains what each LED indicates when
illuminated and any corrective action you may need to take.
Power: Indicates external power is being supplied to the system's power
supply unit. This LED should normally be illuminated when the system is
operating.
HDD: Indicates IDE channel activity. On the SuperWorkstation 7034A-
T/7034A-i, this LED indicates SATA/IDE drive activity when flashing.
NIC: Indicates network activity on the GLAN when flashing.
Overheat/Fan Fail: When this LED flashes it indicates a fan failure.
When on continuously (on and not flashing) it indicates an overheat condition,
which may be caused by cables obstructing the airflow 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 sure that the chassis covers are installed. Finally, verify that
the heatsinks are installed properly (see Chapter 5). This LED will remain
flashing or on as long as the overheat condition exists.
3-2
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