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SUPERSERVER SYS-6026TT-H6RF/H6IBXRF/H6IBQRF User's Manual
3-3
Control Panel LEDs
In addition to the LEDs built into the power and UID buttons, each of the four control
panels located on the front of the SC827H-(R)1400B chassis has two LEDs that
provide you with critical information related their own node. This section explains
what each LED indicates when illuminated and any corrective action you may need
to take.
Overheat/Fan Fail
When this LED is solid on it indicates an overheat condition. When it fl ashes
quickly (~ once every second), it indicates a fan failure. When it fl ashes slowly (~
once every four seconds) it indicates a power supply failure. An overheat condi-
tion may be caused by cables obstructing the airfl ow 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 cover is properly installed. Finally, verify that the heatsinks are
installed properly (see Chapter 5). This LED will remain fl ashing or on as long as
the indicated condition exists.
NIC
Indicates network activity on any of the LAN ports when fl ashing
3-4
SATA Drive Carrier LEDs
Each SATA drive carrier has two LEDs.
•
Green:
When illuminated, the green LED on the front of the SATA drive carrier
indicates drive activity. A connection to the SATA backplane enables this LED
to blink on and off when that particular drive is being accessed.
•
Red:
There is no function associated with the red LED.
3-2
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