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Power-up Troubleshooting Troubleshooting
B-2
Problem situations and error messages are listed in Table B-2. 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 B-2: Power-up Problems and Error Messages
Problem/Message Error Remedy
The MPS 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 MPS 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 MPS will not be
operational until the fault is fixed.
The MPS completes
its power-up and
boot procedures, but
there’s no noticeable
serial activity.
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 Appendix C). Try another serial
device or cable, or cycle power on the
MPS.
A rapidly-blinking OK LED
may signal boot failure.
Reboot the unit. When the MPS is
running normally, the OK LED blinks
every two seconds.