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MSP-FET: About MSP-FET

Gülnur Küllü
Prodigy 10 points
Part Number: MSP-FET

Dear Sir/Madam,

The computer does not see the MSP-FET programmer we bought from you before. Power light goes off and mode light is constantly on red

Can you help us?

Gulnur Kullu

ISIPARK

  • 0
    TI__Genius 10070 points

    Hi Gulnur,

    Please see the MSP Debuggers User's Guide for information about using the MSP-FET. See section 5.6.4 for information about the meaning of the LED outputs. It sounds like you are experiencing an error condition such as overcurrent. The recommended fix for this is to unplug and plug back in. 

    You can also find more information about this issue by searching through existing posts on E2E, such as:

    this post 

    this post

    Among many more if you browse E2E or search for MSP FET red LED issue.

  • 0 in reply to Dylan OBrien
    TI__Genius 10070 points

    Hi Gulnur,

    I see you marked this post as NOT resolved. If the above reply did not lead to you resolving the problem, please respond with the steps you took and what is still unclear or missing to resolve the issue. 

  • 0 in reply to Dylan OBrien
    Prodigy 10 points

    Hi Dylan,

    The suggested solution did not works. When the programmer is first connected to the computer, 4V comes from the vcc pin. After a while, even though no target device is connected to the programmer, the power light turns off and the voltage on the vcc pin of the programmer shows 3 V. 

  • 0 in reply to Gülnur Küllü
    TI__Genius 10070 points

    So even if there is no target device connected, the red LED flashes? This would indicate that there is an error with the MSP-FET itself. Or potentially just the MSP-FET's connection to your PC. Have you tried connecting the MSP-FET to a different PC to see if another PC is able to recognize it? 

  • 0 in reply to Dylan OBrien
    TI__Genius 10070 points

    Hi Gulnur, 

    If you are seeing that the MSP-FET is reporting an error condition (red led on) no matter which power source you connect it to, that makes me question whether the device has sustained some damage. 

    What USB connector are you using? Is it one that came with the MSP-FET? Maybe the wire is broken or it is not the correct type. You could try switching this as well? 

    After you've tried swapping the cord, if it still isn't working, then I think we have effectively narrowed the issue down to the MSP-FET. Unless both computers are not compatible but I would suspect that is not the case. It looks like the last thing to try is to reset the device as described in section 5.6.5.3 section MSP-FET HID Cold Boot in the MSP debuggers users guide. If that does not work I would suspect the device is damaged and not able to be recovered. 

  • 0 in reply to Dylan OBrien
    Prodigy 10 points

    Hi Dylan,

    Our engineer tried but didn't do it. If there is a video, can you send it?

  • 0 in reply to Gülnur Küllü
    TI__Genius 10070 points

    Hi Gulnur,

    Unfortunately I do not have any video of this to show you a demonstration. I will add that if there is some damage to the device, this cold reset will not fix it anyways. My recommendation to you would be to try your best to do this based off of the description in the guide, let us know if you have a specific question that we can try to help with, and concurrently, try using a different MSP-FET. 

  • 0 in reply to Dylan OBrien
    Prodigy 10 points

    Hi Dylan, thanks a lot for your support. we will try again.

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