UC-8100-LX Software
Advanced Configurations on Peripherals
3-9
The LED indicators have different behaviors when diagnosing for device failure and for performing firmware
restoration. See below table for detail.
Status
Red LED
Yellow LED
Green LED
Execution of diagnostic program
Blink
Off
On
Reseting to default
Blink
Blink
On
76B
Diagnosing Device and Subsystem Failures
The red LED will start blinking once you start to press the push button. Hold the button pressed until green LED
is lit for the first time and release. This will enter the diagnostic mode for you to check the peripherals
availabilities on UC-8100-LX.When diagnostic program is excuting, the red LED will be blinking.
Status
Red LED
Yellow LED
Green LED
Execution of diagnostic program
Blink
Off
On
Following 2 tables describes the diagnostic results. First table show hardware defects. If you observe any of the
hardware issues, contact Moxa for further steps.
Status
Red LED
Yellow LED
Green LED
UART1 device issue
On
On
Off
UART2 device issue
(except UC-8131 )
On
On
Blink
LAN 1 device issue
On
Off
Off
LAN 2 device issue
On
Off
Blink
Button device issue
On
Blink
Off
TPM device issue
On
Blink
Blink
LED device issue
On
Off
Off
Second table is about system operation. If you observe any of the following issues, check if your UC-8100-LX
is being occupied by bad programs.
Status
Red LED
Yellow LED
Green LED
CPU usage (over 90%)
Blink
On
Off
RAM usage (over 90%)
Off
On
Off
Disk usage (over 90 %)
Off
On
Blink
File system corrupted
Blink
On
Blink
31B
Restoring Firmware to Factory Default
Hold the push button pressed until green LED is lit for the second time and release. This will enter the
restoration process of UC-8100-LX and set the computer back to factoty default. The green LED will be lit, and
the red and yellow LED indicators will be blinking when root filesystem is performing set-to-default function.
Status
Red LED
Yellow LED
Green LED
Reseting to default
Blink
Blink
On