Systech Corporation NDS/5000, Hardware Manual

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Troubleshooting 27
Chapter 4: Troubleshooting
The NDS has several LED indicators: Unit Status, Serial ports, and Ethernet.
The LEDs use red, yellow, and green blinking combinations to indicate the status of each of
the NDS’s major components.
Status LED
The status LED indicates the overall status of the NDS. See Table 4-1.
Status LED Condition Meaning
Solid Green The unit is running, but it needs an IP address. It is trying to
obtain one from DHCP/BOOTP.
Blinking Green The unit has an IP address and is operating normally
Alternating Green/Red If the “reset” button is being held in, this LED sequence means
that the factory default configuration is about to be restored. If
you do not want to restore the factory default, release the
button before the sequence changes to Green/Yellow.
Otherwise this means a serious system error occurred. See the
system log for more details.
Alternating Green/Yellow If the “reset” button is being held in, this LED sequence means
that the factory default configuration was restored. You may
release the button.
Otherwise, this means that the current configuration is corrupt
and that the factory default configuration is being used.
Blinking Yellow The unit is booting.
Solid Red Fatal error.
Off No power, or the unit is inoperative
Table 4-1: Status LED Conditions