6-1
6 Console Troubleshooting
Boot-Up LED Sequence
A normal TLS-450PLUS boot-up sequence can be followed observing the front panel status LEDs as described in
Table 6-1.
Table 6-1. Front Panel LED Normal Boot-Up Sequence
Boot-Up Sequence
Visual Sequence
System Task
1. Console powered On at the
breaker.
2. All three LEDs On.
Console is loading U-Boot.
3. The Green LED is On, the
rest are Off.
U-Boot is loading the Operating System
(OS).
4. All three LEDs On.
Linux is loaded and starts the drivers for
USB, Ethernet, etc.
5. The Green LED is On, the
rest are Off.
Linux is running and the system is being
initialized.
6. Green LED On Steady and
the designated Home screen
displays (when equipped with
a touch screen display.
The console completes the boot-up
sequence, starts the applications and
brings up the GUI, or is ready for use.
System Status
08/02/2013 01:01 PM
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