TROUBLESHOOTING
This page summary of common customer errors and how to handle them.
![](https://docs.gremsy.com/~gitbook/image?url=https%3A%2F%2F3309772875-files.gitbook.io%2F%7E%2Ffiles%2Fv0%2Fb%2Fgitbook-x-prod.appspot.com%2Fo%2Fspaces%252FnikHUDUd2JXqkOsnOi7l%252Fuploads%252F7LqarmeOvppGXhvieMMp%252Fimage.png%3Falt%3Dmedia%26token%3D9b412851-d35c-480f-bcf2-7817230621ae&width=768&dpr=4&quality=100&sign=5a4b8433&sv=2)
Reason: the camera connector is not connected properly.
Solution: unplug the camera connector and plug it again. Please make sure it's connected correctly.
Camera connector in the gimbal: plug the camera to gimbal the connector that has "crack" sound from the connector.
![](https://docs.gremsy.com/~gitbook/image?url=https%3A%2F%2F3309772875-files.gitbook.io%2F%7E%2Ffiles%2Fv0%2Fb%2Fgitbook-x-prod.appspot.com%2Fo%2Fspaces%252FnikHUDUd2JXqkOsnOi7l%252Fuploads%252FTxyhCxLGbwhDDoXwldQL%252Fimage.png%3Falt%3Dmedia%26token%3D0031257c-d174-4128-9ddd-c63d0ee1b5ad&width=768&dpr=4&quality=100&sign=13d3e29e&sv=2)
Camera connector in Mainboard: Ensure it is connected correctly as shown in the image below.
![](https://docs.gremsy.com/~gitbook/image?url=https%3A%2F%2F3309772875-files.gitbook.io%2F%7E%2Ffiles%2Fv0%2Fb%2Fgitbook-x-prod.appspot.com%2Fo%2Fspaces%252FnikHUDUd2JXqkOsnOi7l%252Fuploads%252F58aK6su1inpuxPUCoho2%252Fimage.png%3Falt%3Dmedia%26token%3Df009dbcc-c97d-4948-8f22-9391d930a6eb&width=768&dpr=4&quality=100&sign=79ac1b0a&sv=2)
2. The Led Gimbal is solid green
Reason 1: the UART connector is not connected properly
Solution 1: ensure it is connected correctly as shown in the graph below
![](https://docs.gremsy.com/~gitbook/image?url=https%3A%2F%2F3309772875-files.gitbook.io%2F%7E%2Ffiles%2Fv0%2Fb%2Fgitbook-x-prod.appspot.com%2Fo%2Fspaces%252FnikHUDUd2JXqkOsnOi7l%252Fuploads%252FXjDgF4rAHs0VlpvX7q7g%252Fimage.png%3Falt%3Dmedia%26token%3Deba287b6-05fe-49f8-84d2-d7c734240bd8&width=768&dpr=4&quality=100&sign=e3685282&sv=2)
Reason 2: the setting parameters is not correct
Solution 2: follow the document:
AUTOPILOT SETUPReason 3: the setting in GTune is not correct
Solution 3: connect and open GTune:
SETTINGS -> CONTROLS -> MAVLINK -> BAUDRATE
COM2
VALUE 115200 baud
SETTINGS -> CONTROLS -> MAVLINK -> MOUNTING
GIMBAL: GIMBAL_COMPID
MOD: Default
3. The video streaming does not display on Herelink remote
Reason 1: the Video Streaming option and the HDMI socket on Herelink Air Unit is not consistent
Solution 1: ensure Video Streaming option is consistent with HDMI socket on Herelink Air Unit
![](https://docs.gremsy.com/~gitbook/image?url=https%3A%2F%2F3309772875-files.gitbook.io%2F%7E%2Ffiles%2Fv0%2Fb%2Fgitbook-x-prod.appspot.com%2Fo%2Fspaces%252FnikHUDUd2JXqkOsnOi7l%252Fuploads%252Fycfa51HIm0MpcvrSz6P2%252Fimage.png%3Falt%3Dmedia%26token%3D31211f69-91eb-4bd8-9612-37a073e80efe&width=768&dpr=4&quality=100&sign=105a11e9&sv=2)
Reason 2: the HDMI connector on Mainboard is not connected properly
Solution 1: ensure HDMI cable is connected correctly to HOST socket (next to UART socket)
Solution 2: unplug HDMI cable and plug it again
Reason 3: the QGC app can not receive the video streaming data
Solution: turn off the QGC app and re-open it again, wait for a minute
4. The SD Card is not available
Reason 1: the Format SD Card is not correct properly
Solution 1: Open camera setting menu in QGC -> Photos storage: SD Card -> Format -> wait for formating that takes about 20s
![](https://docs.gremsy.com/~gitbook/image?url=https%3A%2F%2Fbookstack.gremsy.vn%2Fuploads%2Fimages%2Fgallery%2F2024-10%2Fscaled-1680-%2F5sgimage.png&width=768&dpr=4&quality=100&sign=becd26f3&sv=2)
Solution 2: Format using Ubuntu PC: follow the steps described below
In Ubuntu PC -> open Disks -> SD Card
![](https://docs.gremsy.com/~gitbook/image?url=https%3A%2F%2Fbookstack.gremsy.vn%2Fuploads%2Fimages%2Fdrawio%2F2024-10%2Fdrawing-16-1729654332.png&width=768&dpr=4&quality=100&sign=60a1c646&sv=2)
Click “3 points” symbol -> Format Disk…
![](https://docs.gremsy.com/~gitbook/image?url=https%3A%2F%2Fbookstack.gremsy.vn%2Fuploads%2Fimages%2Fdrawio%2F2024-10%2Fdrawing-16-1729654359.png&width=768&dpr=4&quality=100&sign=e50c1e9b&sv=2)
Erase, Partitioning
![](https://docs.gremsy.com/~gitbook/image?url=https%3A%2F%2Fbookstack.gremsy.vn%2Fuploads%2Fimages%2Fdrawio%2F2024-10%2Fdrawing-16-1729654378.png&width=768&dpr=4&quality=100&sign=73134114&sv=2)
Create Partition: click “+” symbol
![](https://docs.gremsy.com/~gitbook/image?url=https%3A%2F%2Fbookstack.gremsy.vn%2Fuploads%2Fimages%2Fdrawio%2F2024-10%2Fdrawing-16-1729654398.png&width=768&dpr=4&quality=100&sign=4d133332&sv=2)
Select format type is EXT4
![](https://docs.gremsy.com/~gitbook/image?url=https%3A%2F%2Fbookstack.gremsy.vn%2Fuploads%2Fimages%2Fdrawio%2F2024-10%2Fdrawing-16-1729654422.png&width=768&dpr=4&quality=100&sign=37125ea2&sv=2)
Create and wait for finishing
![](https://docs.gremsy.com/~gitbook/image?url=https%3A%2F%2Fbookstack.gremsy.vn%2Fuploads%2Fimages%2Fdrawio%2F2024-10%2Fdrawing-16-1729654444.png&width=768&dpr=4&quality=100&sign=d5ab5736&sv=2)
5. Cannot access to the Web App
Reason: the Mainboard Ethernet IP is not correct
Solution: Get the IP in the bottom left corner of video streaming
![](https://docs.gremsy.com/~gitbook/image?url=https%3A%2F%2F3309772875-files.gitbook.io%2F%7E%2Ffiles%2Fv0%2Fb%2Fgitbook-x-prod.appspot.com%2Fo%2Fspaces%252FnikHUDUd2JXqkOsnOi7l%252Fuploads%252FHHBcrAOUbvGmdlhUHVpB%252Fimage.png%3Falt%3Dmedia%26token%3Ddf90ceaa-1fad-4cb8-a3b0-070355a0c467&width=768&dpr=4&quality=100&sign=53dfdfe7&sv=2)
6. Cannot open the Camera Menu Setting on QGC
Reason: the first time the QGC app connects to the drone system, including the Mainboard, the remote needs internet access to download the Camera Menu Settings
Solution: close the QGC app, connect the remote to the internet, and then reopen the QGC app.
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