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A+ SERVER 2022TG-HTRF/HIBQRF User's Manual
4-2
Control Panel Button
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Power: The main power button on each of the four control panels is used to
apply or remove power from the power supply to each of the four systems in
the chassis. 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 four control panels are located on the front handle of the SC827 chassis. Each
control panel has three 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.
•
Overheat: This LED is illuminated when an overheat condition occurs.
A solid red LED indicates an overheat condition in the system.
A fl ashing red LED which fl ashes in one second intervals indicates a fan failure.
A fl ashing red LED which fl ashes in four second interfals indicates a power
failure. 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 cov-
ers and air shrouds are installed. Finally, verify that the heatsinks are installed
properly. This LED will remain fl ashing or on as long as the temperature is too
high or a fan does not function properly.
•
NIC1: Indicates network activity on GLAN1 when fl ashing.
3-2
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