Power-up Troubleshooting

Troubleshooting

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

The unit or its power supply is

Contact your dealer or Lantronix

connected to a power

damaged.

Technical Support for a replacement.

source, but there is

 

 

no LED activity.

 

 

The MPS is unable to

This generally indicates a

Note the blinking LED and its color, then

complete power-up

hardware fault. One of the

contact your dealer or Lantronix

diagnostics.

LEDs will be solid red for three

Technical Support. The MPS will not be

 

seconds, followed by one

operational until the fault is fixed.

 

second of another color.

 

The MPS completes

There is a problem with the

Check the terminal setup and the physical

its power-up and

serial connection or the set-up

connections, including the cable pinouts

boot procedures, but

of the serial device.

(see Appendix C). Try another serial

there’s no noticeable

 

device or cable, or cycle power on the

serial activity.

 

MPS.

 

A rapidly-blinking OK LED

Reboot the unit. When the MPS is

 

may signal boot failure.

running normally, the OK LED blinks

 

 

every two seconds.

 

 

 

B-2

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Lantronix LPS1-T, MPS100, LPS1-2 manual Problem/Message Error Remedy, Mps