User`s guide

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3: System Interface
Figure 3-2 System Power On Button
Control Panel LEDs
The control panel located on the front of the chassis has several 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 corrective action you may need to take.
Power Fail
The power fail LED ndicates a power supply module has failed as shown in Figure 3-3. The
second power supply module will take the load and keep the system running but the failed module
will need to be replaced. Refer to Chapter 6 for details on replacing the power supply. This LED
should be off when the system is operating normally.
Figure 3-3 Power Fail LED
Overheat/Fan Fail
When the red overheat/fan LED flashes (shown in Figure 3-4), it indicates a fan failure. When on
continuously 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