Syma X5C - Unable to solve issue auto power prop issue

Discussion in 'Specific Models of Quadcopters and Drones' started by Agarwal, Oct 19, 2016.

  1. Agarwal

    Agarwal New Member

    Hi

    I have this own Syma X5c. It was working fine, flying almost everyday.
    Then one day, this little toy started giving me trouble. I have googled and googled and tried to figure out what is causing the problem, but unable to figure out.

    So, the weird problem is.

    The rear left motor (which has black/white motor wires connecting to board)
    This rear left motor starts spinning automatically as soon as I put in the battery without even the power on switched.

    Ex- Syma 5c power is in off mode. Now I plug in the batteries, and immediately the rear back motors starts spinning without any reason. The lights & other 3 motor only reacts once I switch on the Syma switch.
    But this rear back motor spins as soon the chip is connected to the battery without and never stops!

    If anyone has any idea what is causing this problem, please do reply.
    There is no burn marks or anything on the board. Everything inside/wiring etc looks 100% okay.
    I have also tried using fresh set of motors, but same issue.

    The circuit which controls the power flow is not working I believe for this rear back motor, and the current flows in switch off mode also, while other 3 motors and lights are normally off.

    Please help!
    TIA
     
  2. parker1888

    parker1888 New Member


    I just replaced on of the motors on my Syma X5C and now have the same problem. Has anyone sent you a reply on how to fix this?
     
  3. RGJameson

    RGJameson Active Member

    Have you crashed it much?
     
  4. parker1888

    parker1888 New Member

    I have crashed it before but just before the motor burned out there have not been any hard crashes. This problem started just after I replaced the old motor and tested it before putting it all back together.
     
  5. RGJameson

    RGJameson Active Member

    Well FWIW I have a little toy quad that I managed to reverse the polarity of the battery. I had changed out the connector and wired it backwards. As soon as I plugged it in all the motors instantly started spinning on their own.

    Recheck your connections and make sure you are using the original color coding.
     
    Last edited: Nov 21, 2016

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