Moxa UC-8410A-LX [30/86] Diagnosing device and subsystem failures

UC-8410A Series Linux Software Advanced Configuration of Peripherals

3-10

Diagnosing Device and Subsystem Failures

The red LED will start blinking once you press the push button. Keep the button pressed until the green LED is

lit for the first time and then release the button to enter diagnostic mode to check which peripherals are

available on the UC-8410A-LX. When diagnostic program is running, the red LED will be blinking.

Status Red LED Yellow LED Green LED

Execution of diagnostic program Blinking Off On

The following two tables describe the diagnostic results related to hardware defects and system operation.

Hardware Defects

If you observe any of these hardware issues, contact Moxa for further instructions.

Priority Status Description Green LED Yellow LED Red LED

1 Proceeding with

self-diagnosis

On Off Blinking

2 LAN1 Ethernet Error –

LAN1

Ethernet controller

malfunction

Off Off On

3 LAN2 Ethernet Error –

LAN2

Ethernet controller

malfunction

Blinking Off On

4 LAN3 Ethernet Error –

LAN3

Ethernet controller

malfunction

On Off On

5 UART Interface Error – Any

one of UART interfaces is

malfunctioning

Off On On

6 LED device issue Blinking Blinking Blinking

7 Button device issue Off Blinking On

8 Ready for reset to factory

default

On Blinking Blinking

9 CPU usage (over 90%) Off On Blinking

10 RAM usage (over 90%) Off On Off

11 Disk usage (over 90%) Blinking On Off

12 File system corrupted Blinking On Blinking