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  1. #1
    RC poster
    Join Date
    Mar 2012
    Posts
    3

    My E-Revo has a will of it's own :(

    Hi everybody,

    I hope someone here can help me with my problem. My car (2 months old) accelerates by it self. I drives great, but when I leave it "alone" it starts to move, slowly, slowly forward until I push the accelerator or brae. Then it stops. If I turn of the TX (to stop the car) and then turn the TX back on again it's gives maximum throttle forward. That's a bit scary!

    I contacted both Traxxas and Castle's customer support and tried what they suggested, but no luck.

    I have tried:

    1. Set throttle trim
    2. Set throttle sub trim
    3. Rebind TX to RX.
    4. Re-calibrate the Mamba ESC.
    5. Reset TX.
    6. Set the throttle end points.

    Nothing helps...

    Whats should I do? Please help!


  2. #2
    RC Qualifier
    Join Date
    Jan 2010
    Location
    Wales. Uk
    Posts
    741
    Faulty pot on the tx. Mine was exactly the same out of the box. Strip the handset, pull the pot out and gently strip and clean it. It's quite an easy task if you are comfortable doing it, if not return to traxxas for warranty. Took me 20 minutes.

    If you have a different tx try it to confirm it.
    Signature removed due to excess awesomeness.

  3. #3
    RC poster
    Join Date
    Mar 2012
    Posts
    3
    Thanks for a quick reply. What does the pot look like?

    I will start by unscrewing the handset.

  4. #4
    RC Qualifier
    Join Date
    Jan 2010
    Location
    Wales. Uk
    Posts
    741
    It's the potentiometer, it will open up just be careful.

    It's the electrical component that turns left and right.

    It doesn't look like it comes apart but it does, get in there, tighten the connections and gently scrape the copper with a small blade. Contact cleaner is also good

    Just be careful though or you will destroy it.
    Last edited by revomikey; 03-28-2012 at 09:54 AM.
    Signature removed due to excess awesomeness.

  5. #5
    RC Champion
    Join Date
    Jun 2009
    Location
    W Monroe, Louisiana
    Posts
    1,995
    I had the same issues 100% and went to a different transmitter and reciever all together. Hopefullh ill get mine working too. Thanks for the info mikey!
    Its All relative to your perspective.

  6. #6
    RC Qualifier
    Join Date
    Jan 2010
    Location
    Wales. Uk
    Posts
    741
    So how did you get on with the repair? All sorted?
    Signature removed due to excess awesomeness.

  7. #7
    RC poster
    Join Date
    Mar 2012
    Posts
    3
    I ended up with buying a new TX and RX. I didn't real comfortable with trying to fix the old TX. I bought a Spektrum DX3C. Hopefully it will work better now!

  8. #8
    RC Qualifier
    Join Date
    Jan 2010
    Location
    Wales. Uk
    Posts
    741
    You might as well have a go then if you have bought the dx3.

    Great set up though, had my dx3 for 6 years and it's never skipped a beat.

    Fix it and shelve the traxxas tx as a spare.
    Signature removed due to excess awesomeness.

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