DJI Mini 3 Pro - odd & dangerous behaviour with flight plan

Lukas Döhring

Hello community,

after the recent update, our DJI Mini 3 Pro doesn't execute the planned flights anymore and furthermore acts very odd and does very random and dangerous maneuvers.

After starting everything up and the controller in "N"-Mode, dronelink always displays "P-GPS" as it's mode.

When we start a mission, the drone goes up and the start going crazy. Following things have happend:

- random yaw and spinning aroud

- the gimbal goas up and down

- drone goes down without command and could possibly have crashed into the ground.

 

We are using normal maps to fly over railway construction sites. Signal interference IS NOT the problem. When in manual flight, everything works fine and the drone can keep it's location perfectly. We also tried the same map and location with another drone and it went perfectly fine. A reset of the drone and deinstalling dronelink and dji fly doesn't help either. We have tried every basic solution to get it to work again but nothing helped.

So the only guess is that something is wrong with dronelink or the version of the app. I will add all the information about our mission down below but I hardly believe that they have to do anything with that, as these settings have worked for us plenty of times.

Any help and support is welcome as we need this to work again asap.

 

Kind regards,

Lukas

1

Comments

129 comments

  • Comment author
    Philippe (France)

    Here is the response sent to DJI

    Once the DJI mini 3 drone was connected to a PC running Assistant 2, here is the resulting screen.

    The operation was performed twice, to ensure that it was not possible to select the flights where the bug occurred. For some unknown reason, the two files generated are not the same size. The LogExport.zip folder has been uploaded.

    The list of flights where the drone behaved in an odd and dangerous way is shown below with the times in UTC.

    Do you have any software other than Assistant 2 to select for you in EXPORT_FILE... only the flights that caused problems?

    0
  • Comment author
    Philippe (France)
    • Edited

    A partir des constations sur les 131 missions effectuées entre le 3 septembre 2024 jusqu’au 15 octobre 2024 qui sont relatées dans le post :
    https://support.dronelink.com/hc/en-us/community/posts/33052990089747/comments/34818924410643
    voici un « plan de bataille » pour limiter l’apparition du bug.

    En atelier :

    • Mettre un checkpoint à 30 m à la première étape de chaque mission
    • Supprimer DJI Fly du smartphone Android qui utilise Dronelink DJI
    • Installer Dronelink web et DJI Fly sur un autre smartphone ou tablette iOS ou Android
    • Forcer l’arrêt de Dronelink, puis effacer les datas.
    • Démarrer Dronelink en étant connecté à un réseau
    • Reconfigurer Dronelink
    • Ne jamais fermer Dronelink
    • Paramétrer les firmwares de la RC-N1 et du DJI mini 3 avec DJI Fly
    • Etalonner le compas et l’IMU du drone avec DJI Fly

    Sur le terrain

    • Après chaque décollage du drone, le mettre à une altitude de 20 m environ
    • Si le bug apparaît lors d’une demande de mission, déplacer le switch Cine|Normal|Sport d’un cran pour reprendre les commandes.
    • Edit : Bien maintenir l'antenne de la RC-N1 perpendiculairement à la direction du drone. Pour ma part, le bug avait apparu pour la première fois lorsque l'antenne avait orientée dans la mauvaise direction.
    • Edit : vérifier tout le long de chaque mission que l'histogramme est bien réparti.

    Retour à l’atelier

    • Laisser Dronelink DJI actif en permanence.

     

    En suivant ce plan, 6 missions ont pu être effectuées sans bug, ce lundi 28 octobre 2024 😊
    Il y a eu un changement de batterie.
    Edit : ce mardi 29 octobre, 13 missions ont été réalisées dans de très bonnes conditions et sans bug. 😊
    Il y a eu un changement de batterie.

    Bons vols …

    Matériel et logiciel utilisés
    Drone
    DJI mini 3 ; firmware : v01.00.0500
    Radiocommande
    RC-N1 ; Firmware v04.16.0500
    Application DJI Fly
     : 1.15.0
    DroneLink
    DJI Version 5.0.0 (296) ; Kernel 5.0.0
    Smartphone Android
    :
    Samsung Galaxy A34 5G (sans carte SIM) ;
    Android 14 ; OneUI 6.1 ;

    0
  • Comment author
    Philippe (France)
    • Edited

    Here is DJI's response to the post
    https://support.dronelink.com/hc/en-us/community/posts/33052990089747/comments/34836805200019


    https://sdk-forum.dji.net/hc/en-us/community/posts/39140508432409/comments/39389178840985

    Wait and see … 😉

    0
  • Comment author
    Progit, Ingegneria per il Territorio
    • Edited

    Buongiorno, ho provato a cancellare ogni dato di dronelink e installare la 4.9.3 ma riscontro ancora le stesse problematiche, il drone ruota intorno a se stesso e va fuori rotta. L'unica versione con cui riesco a completare le missioni di volo è la 4.9.1, anche se a volte il drone muovendosi lungo la traiettoria ruota su se stesso. Ho provato ad installare anche la 4.9.4 e la 5.0.0 in versione beta ma non risolvo il problema in quanto il bug è presente. Qualcuno mi può confermare che non sono l'unico a cui la 4.9.3 non funziona correttamente e come potrei fare per risolvere il problema? Grazie

     

    0
  • Comment author
    Philippe (France)

    The procedure described at this link was implemented on 28 October.
    https://support.dronelink.com/hc/en-us/community/posts/33052990089747/comments/34868761938067

    An exceptional weather window has opened for a week until 4 November.
    Here is a screenshot for 2 November

    As a result, 72 missions were carried out without the ‘dancing drone’ bug appearing:
    - 5 missions on 28 October
    - 13 missions on 29 October
    - 7 missions on 31 October
    - 12 missions on 2 November
    - 19 missions on 3 November
    - 16 missions on 4 November

    To be continued ...

     

    Hardware and software used
    DJI mini 3 drone : firmware: v01.00.0500 ;
    RC-N1radio control : Firmware v04.16.0500 ;
    DJI Fly application : 1.15.0 ;
    DroneLink DJI Version 5.0.0 (296) ; Kernel 5.0.0 ;
    Android smartphone:
    Samsung Galaxy A34 5G (SIM-free) ;
    Android 14 ; OneUI 6.1

     

    0
  • Comment author
    Ibai
    • Edited

    Hola, estos días he tenido problemas con mi drone mini 3, muy parecidos a los que comentáis. En modo libre funciona correctamente, pero es incapaz de completar las misiones. Vuela recto, pero dando giros sobre si mismo y cuando tiene que cambiar la dirección, se sale del ámbito de la misión y no responde correctamente. Parece un drone borracho...

    ¿Me recomendáis descargarme versiones anteriores? ¿o esperar a que salga algún parche para solucionar el problema?

     

    Hardware y software utilizado:

    Dronelink DJI 5.0.0 (298) Kernel 5.0.0 // DJI Fly v1.15.4 (1220-oficial) // DJI mini 3 RC-N1 // Redmi note 13 pro - Redmi 9 T

     

     

    0
  • Comment author
    Jim McAndrew Dronelink Staff

    We have said it before, and I will say it again: we are not able to reproduce this issue, and running a previous version of Dronelink is not a long-term solution. If you want to help us find a solution, you need to send the logs to DJI as outlined previously.

    0
  • Comment author
    Philippe (France)
    ibai
    ... Do you recommend downloading older versions or waiting for a patch to correct the problem?

    Have you been able to try the suggestions described at :

    https://support.dronelink.com/hc/en-us/community/posts/33052990089747/comments/34868761938067 ?

    This allows me to wait until a solution is found.

    To send the logs to DJI follow the thread :

    https://sdk-forum.dji.net/hc/en-us/community/posts/39140508432409-Abandoned-drone-during-a-mission-with-Dronelink-4-9-4-295

    0
  • Comment author
    Philippe (France)

    How do you get around the “dancing drone” bug until it's fixed?

    The method depends on one of the three ways in which the bug appears.

    1. the bug never appears.

    In this case, don't touch anything.
    However, it's best to limit the number of times you close/launch the Dronelink DJI application to avoid the second case below.

    1. the bug appears after a certain number of closures/launches of the Dronelink DJI application.

    Sometimes the bug appears when starting a mission or, very rarely, during a mission.
    The more often the Dronelink DJI application is closed and relaunched, the more frequently the drone starts spinning at the start of a mission.
    The solution is to ensure that the Dronelink DJI application is never closed.

    Here's an example of a configuration that has proved its worth during at least 73 missions:

    - As soon as the bug appears: install the application again on a dedicated smartphone, reusing the APK file in the Download folder; then re-configure the Dronelink DJI application to suit your needs.

    - use another smartphone (or tablet) to set firmware parameters with DJI Fly or to use Dronelink (for a DJI mini 2, for example)

    - if Android requires updating, Dronelink DJI will need to be reinstalled, as it will have been shut down for the update to take place.

    To pilot the drone, it should be placed in manual mode at a height above any obstacle within 15 m (30 ft) of the mission start point. A height of 20 m is generally enough.

    When programming the Dronelink mission, we suggest that you place a checkpoint component 30 m (98 ft) before and after the mission, to give yourself time to see if the bug appears.

    1. the bug always appears when launching a mission with the Dronelink DJI application.

    You're out of luck. This was the situation yours truly experienced from February to mid-March 2024 with the first bug that systematically crashed the application just before the camera's video stream was displayed.

    https://support.dronelink.com/hc/en-us/community/posts/28105590436627-Les-datas-de-la-version-4-9-1-290-bloquent-le-flux-vid%C3%A9o-du-prochain-lancement-de-Dronelink-DJI

    https://forum.dji.com/forum.php?mod=viewthread&tid=310518

    It was only after the application had been installed several times that it would work properly as long as it wasn't closed.

    For the “dancing drone” bug, it's proposed to do the same, as there's a similarity with this first bug.

    Hardware and software used
    Drone
    DJI mini 3 ; firmware : v01.00.0500
    Remote
    RC-N1 ; Firmware v04.16.0500
    Application DJI Fly
     : 1.15.1 (avec un iPhone 11)
    DroneLink DJI
    Version 5.0.0 (296) ; Kernel 5.0.0
    Android Smartphone
    :
    Samsung Galaxy A34 5G (sans carte SIM) ;
    Android 14 ; OneUI 6.1 ;

     

    0

Please sign in to leave a comment.