This article outlines the issue of your J100 spraying but not showing the (Blue) line which indicates areas sprayed.
Field Not Painting Blue (SPRAYED) while spraying. (showing in picture below).
This issue is usually caused by a couple different things.
1. The flow meter is showing "0" and therefore even if it is spraying, the flow meter is telling the system that it is not, due to it reading "0". This causes the system to not paint the path blue which indicates it was sprayed. Simply put flow meter is not telling the system it is spraying.
2. Any Errors for the Flow meter.
The "Large Bubble in Air Pipe" has been a common error that causes this issue. Again if the error is causing the drone to mis read the flow, it will not show that its spraying even if it is.
Click here for flow meter issues guide.
Click here for low flow rate issues.
Click here for Spray system troubleshooting article.
Quick note: If the flow meter is showing "0" or errors causing the miss reading of the flow, the pumps may speed up dumping more product in attempt to get the flow higher because its reading "0".
Click Here for a new Flow Meter
3. RC and Drone Connection.
If your RC is disconnecting to your drone, this could also cause it to not show are sprayed (Blue) due to the disconnection between the RC and Drone. For this issue I would suggest checking your P301 Module. Click Here for information on which P301 module you should be on.
Click Here for trouble shooting RC connection P301 power upgrade.
If you fly without your RC connected to the internet. Ensure when your back to an area with good internet connection to connect your RC to allow the tasks to sync to the cloud to upload that data.
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