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  1. #1
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    ESC programming doesn't work, no flashing light

    Hello,

    I want to programm a new VXL-3m ESC (well not really new, I had it for years, but now I installed it for the first time). The manual says:

    1. Disconnect each of the motor wires (precaution).
    2. Connect a fully charged battery.
    3. Turn on the transmitter.
    4. Press and hold the EZ-Set button (A). The LED will first tunr green and then red. Release the EZ-Set button.
    5. When the LED blinks red once pull the throttle trigger to the full throttle position and hold it there.
    6. ...

    Here I have the problem: The LED never starts to blink red once!
    What could be the reason for that? And how to solve it?

    Thanks a lot

  2. #2
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    Please, anyone any idea?

    If I press and hold the EZ-Set button the LED first turns green and then red. Then when I release the button the LED stays red and never starts to blink or flash.

    So there must be something wrong with the connection between the receiver and the ESC right?
    I checked the cables and they are alright. I checked the transmitter and the switches and it seems alright.

    Does anybody know this behaviour or has an idea what could be the reason for it?

  3. #3
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    Green light is lipo mode and fed light is NIMH mode for your batteries. Turn the ESC on then press and hold the button and it will cycle through the 3 modes, which are forward/reverse/brake, forward/no reverse/brake, and training mode which is 50% power. Not sure what else you are trying to do. If itís to calibrate the ESC to the transmitter, I cannot recall the procedure off hand. But the other stuff I think is correct.

  4. #4
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    Yes I am talking about calibrating (programming) the ESC to the transmitter. It doesn't work like the manual says, because the red light doesn't start to flash.

    But there's one more thing I don't understand:

    I have NiMH batteries and I can programm the ESC for these when I do the following:
    I turn it on by pressing the button for 1/2 sec. The LED shines green.
    Then I press and hold the button for about 10 sec. The LED shines red and a musical falling tone comes from the motor.
    When I then turn the ESC off and turn it on again, the LED will shine green again. But I thought it should be red indicating that it is ready for NiMH batteries! No?

    Or does it mean that something maybe wrong with my ESC?

    That's my problem: I don't know where the problem comes from - is it the ESC or the receiver or the transmitter or ...?

  5. #5
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    Doesn't anybody know about calibrating an ESC?
    And what it means if the LED doesn't start to blink red once?

  6. #6
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    Check the esc plug in the receiver to make sure it's in ch2 (third slot) then follow any of the procedures listed below that you might want to try.
    Factory reset tx.
    https://www.youtube.com/watch?v=B-qcJUVCc5o&t=2s
    Rebind your transmitter to your receiver
    https://www.youtube.com/watch?v=NMrKkt0BHxA&t=2s
    Calibrate your esc.
    https://www.youtube.com/watch?v=ix-J85uRFjE
    Low voltage protection when running lipo's.
    https://www.youtube.com/watch?v=FCNsmV18PSg
    Select different profiles.
    https://www.youtube.com/watch?v=0rVnuVl9I5w

  7. #7
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    Thank you for these videos.

    In fact I know these procedures and unfortunately I don't have a TQi transmitter, but a an older TQ 27 MHz.

    In this video you see the procedure, that I am talking about:
    https://www.youtube.com/watch?v=ix-J85uRFjE

    At 0:30 you see that the LED blinks red once. That's what the LED of my ESC won't do. And I don't know why.

  8. #8
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    Ok so because I don't have all the info on all your electronics, what receiver #, what tx # and here is the compatibility chart just incase these aren't compatible that makes it so it doesn't allow you to calibrate. If this doesn't work try another esc or a friends esc and see if you can get it to calibrate or take yours into a lhs and get them to try.
    https://traxxas.com/support/Traxxas-...tibility-Guide

  9. #9
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    Transmitter and receiver are compatible, because they've been working together for years.
    In the meantime I was talking to some other guys and they mean it must be the receiver that's broken now. Because the ESC reacts in the first place and when it comes to connect with the receiver there is no reaction. Also the servo never reacts. So I think I will have to try another receiver somehow as a next step.

  10. #10
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    Well hopefully it's just a receiver which is a cheaper fix then an esc.

  11. #11
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    Oh man ... I just got a new receiver (trx 6519) AND transmitter (trx 6516) today, second hand in a very good condition for almost nothing ... and it just works again! I'm so happy right now, can't tell you. Thanks for your support.

  12. #12
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    Quote Originally Posted by macuser96 View Post
    Oh man ... I just got a new receiver (trx 6519) AND transmitter (trx 6516) today, second hand in a very good condition for almost nothing ... and it just works again! I'm so happy right now, can't tell you. Thanks for your support.
    Not a problem and glad it's working again.

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