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DarkStar User Guide
4: Troubleshooting
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4.3 Hardware Procedures
The LED and reset button procedures outlined here can also be performed from a remote console, using the
show
,
config-
uration
, and
reload
commands. Please see the “DarkStar DXMOS Command Reference” for details of these commands.
4.3.1 Front Panel LEDs
The pattern of LED lights on the front panel of DarkStar systems indicates system status, including environmental and boot
status. The
show led
command shows these LED patterns at a remote operator console.
TABLE 4.3
LED Legend
LED Status
Meaning
○
Steady off
●
Steady on
◐
Flashing
TABLE 4.4
Front Panel LED Patterns
PWR (green)
WRN (amber)
ALM (red)
Meaning
○
○
○
No power or both power supplies down.
●
○
○
System fully operational.
○
○
●
One of the following conditions exists:
-Maximum temperature exceeded.
-FPGA load failure.
-A load failure of both the startup and factory flash.
●
◐
○
One of the following conditions exists:
-One power supply down or absent.
-Temperature alarm.
-One or more fan failures.
-Fan controller 0 or 2 absent.
◐
◐
◐
One of the following conditions exists:
-Initial power up.
-Warm reload in progress.
●
●
●
Cold reload in process.