Possible cause — no communication with the sensor:
- Check whether the antenna is broken or damaged. If it is, please get in touch with us at support@airly.org
Possible cause — the device may have frozen:
- Disconnect the power by unplugging the USB cable from the power supply, or by unplugging the adapter from the wall socket.
- Wait at least one minute, then reconnect the sensor. After another five minutes, the sensor should return to normal operation.