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6-1
This chapter discusses how you can diagnose and fix errors quickly without having to
contact a dealer or Lantronix. It helps to connect a terminal to the console port while
diagnosing an error to view summary messages that may be displayed.
When troubleshooting, always ensure that the physical connections (power cable,
network cable, and serial cable) are secure. If you have trouble with wireless networking,
it may help to connect the MSS to a wired Ethernet network to verify that it is working
properly and to check the wireless settings.
Note: Some unexplained errors might be caused by duplicate IP addresses on
the network. Make sure the MSS IP address is unique.
Power-up Troubleshooting
Problem situations and error messages are listed in the table below. If you cannot find an
explanation for your problem, try to match it to one of the other errors. If you cannot
remedy the problem, contact your dealer or Lantronix Technical Support.
Table 6-1. Power-up Problems and Error Messages
Problem/Message
Error
Remedy
The MSS is connected to
a power source, but there
is no LED activity.
The unit or its power supply is
damaged.
Contact your dealer or Lantronix Technical
Support for a replacement.
The MSS is unable to
complete power-up
diagnostics.
This generally indicates a hardware
fault. One of the LEDs will be solid
red for three seconds, followed by
one second of another color.
Note the blinking LED and its color, then
contact your dealer or Lantronix Technical
Support. The MSS will not be operational
until the fault is fixed.
There is a problem with the serial
connection or the set-up of the
serial device.
Check the terminal setup and the physical
connections, including the cable pinouts
(see Pinouts
). Try another serial device or
cable, or cycle power on the MSS.
The MSS completes its
power-up and boot
procedures, but there's
no noticeable serial
activity.
A rapidly-blinking OK LED may
signal boot failure.
Reboot the unit. When the MSS is running
normally, the OK LED blinks every two
seconds.
The MSS is not connected properly
to the Ethernet.
Ensure that the MSS is firmly connected to
a functional and properly-terminated
network node.
The MSS Ethernet address is
invalid.
The MSS Ethernet address is located on
the bottom of the unit. Use the Change
Hardware command to set the correct
address, then reboot.
The terminal shows a
Boot> prompt rather than
a Local> prompt.
Init Noboot command was
entered.
See Entering Commands at the Boot
Prompt.
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