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  1. #1

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    Bunged up transmitter?

    Hi, I'm obviously a new guy here and have a question I hope is easy to answer. I went outside with the intention of flying my Supercub DSM yesterday, but when I plugged in the battery and turned on the transmitter, the elevator immediately went to the full down position. The elevator stick does not move it, and neither will the trim tab.

    Thinking maybe the servo had bit the dust I switched the plugs for the rudder and elevator on the reciever. The elevator worked, but the rudder went full right. So to me, either the plug on the receiver is screwed, or something in the transmitter is telling it to bottom out in one direction.

    Any help you guys can give is appreciated.

  2. #2
    Moderator BarracudaHockey's Avatar
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    RE: Bunged up transmitter?

    What transmitter?
    Andy - Helicopter Forum Moderator
    AMA 77227 Leader Member- Contest Director
    www.JaxRC.com

  3. #3

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    RE: Bunged up transmitter?

    Oh sorry.  It's a Spektrum DX4e. Until yesterday everything was just dandy, so I really have no idea what it could be.

  4. #4

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    RE: Bunged up transmitter?



    If you reverse the servo on the Tx does it go all the way up?

    Steven

    AMA# 301964

  5. #5

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    RE: Bunged up transmitter?

    I am a futaba guy but i looked on their website and it says you can change modes with a switch. Try it again and see if the throttle stick moves the elevator or will any other stick move the elevator.
    Steven

    AMA# 301964

  6. #6

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    RE: Bunged up transmitter?

    Unplug the battery and turn the tx off in that order. Now turn the tx on then plug the battery in in that order and see if that works. ENJOY !!! RED

  7. #7

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    RE: Bunged up transmitter?

    ORIGINAL: navypoe1



    If you reverse the servo on the Tx does it go all the way up?

    I used the servo reversing switch on the Tx and the elevator went all the way up.

    I also tried what Redhead suggested and that didn't work either.

  8. #8

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    RE: Bunged up transmitter?


    ORIGINAL: navypoe1

    I am a futaba guy but i looked on their website and it says you can change modes with a switch. Try it again and see if the throttle stick moves the elevator or will any other stick move the elevator.
    +1 on that.

    Check out page 13 and 14 of the manual. If you got the transmitter in French mode (mode 1/3) it would behave just as your describing. Page 14 explains how to get it back into standard mode (mode 2/4).


  9. #9

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    RE: Bunged up transmitter?

    If you reversed it on the Tx and it went the opposite direction then it is something with the Tx and should not be servo or Rx related. Did you move the other sticks and see if the elevator moved? Check out Spektrums website about the DX4e. They have some bulletins about problems with this system. Is your "mode" switch on "mode II"?
    Steven

    AMA# 301964

  10. #10

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    RE: Bunged up transmitter?

    Transmitters with affected PIDs may be found in the following products:

    Blade mCP X RTF (BLH3500), E-flite Apprentice 15e RTF (EFL2725), Hangar 9 Alpha 40 DSM2 RTF (HAN4400) ,Hangar 9 P-51 Mustang MkII PTS RTF (HAN4425), Hobbyzone Super Cub DSM RTF (HBZ7400), ParkZone Radian RTF (PKZ4700), ParkZone P-51D BL DSM RTF (PKZ2200), ParkZone F4U Corsair RTF (PKZ4600), Phoenix R/C Pro Simulator 3.0 with DX5e (RTM30R5510/RTM30R55101).

    This is off Spektrums website.

    Steven

    AMA# 301964

  11. #11

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    RE: Bunged up transmitter?

    I did some more looking around and found that Tx's with these PIDs are affected

    DX6i/DX5e/DX4e:

    PID's beginning with the following prefixes: HS, HH, HT, HE, HA

    Mine starts with HO, so I'm not sure what exactly that's supposed to tell me.

  12. #12

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    RE: Bunged up transmitter?

    Just call them.
    Steven

    AMA# 301964

  13. #13

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    RE: Bunged up transmitter?


    ORIGINAL: navypoe1

    Just call them.
    Just read the manual. Do some testing and figure out what is going wrong then if all else fails Just call them.

    When plugged up the way you have it and the rudder or elevator is full to one side have you tried moving your throttle to see what happens?? Plug it up and then move every stick in every direction and write down what moves compared to what stick you moved. This should be the first step in determing what is going wrong. Have you forced your transmitter into std mode and then changed the switch to mode 2?? That transmitter has 4 modes and if your not in the right mode things wont work as expected.


  14. #14

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    RE: Bunged up transmitter?

    For anyone who's interested, it was a short in the elevator rheostat. I picked up a Dx6i to replace it.

  15. #15

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    RE: Bunged up transmitter?

    Thats good. Glad you got it figured out.
    Steven

    AMA# 301964


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