# Troubleshooting | Problem | Solution | | ----------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------- | | Unit doesn't turn on | Make sure that the unit is charged. Connect the charger and try to power up the unit again. | | Drone telemetry is not connecting | Make sure that your radio module is turned on the modules are paired. | | Air module is not paired with ATLAS | Press and hold ATLAS reset button for 6 seconds. Press and hold Air module reset button for 11 seconds. After 30 seconds the modules will be paired. | | I can't download the maps | Internet connection is required to download the maps. Make sure that you have active WiFi or LTE connection on ATLAS. | {% hint style="info" %} If you can’t find the answers in the troubleshooting section above or in the user manual, please contact us here: ​ {% endhint %} --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.sky-drones.com/avionics/atlas-handheld/troubleshooting.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.