The Xiaomi Home Assistant is a versatile smart home system that integrates various devices, including air conditioners. However, some users have reported issues with the air conditioner companion not displaying cooling and heating options in the Home Assistant interface. This article aims to provide a comprehensive guide on troubleshooting and optimizing the Xiaomi Home Assistant to resolve this issue. ## Troubleshooting Steps 1. **Check the Home Assistant Logs**: Review the system logs to identify any error messages or warnings related to the air conditioner companion. This can help pinpoint the root cause of the issue. 2. **Verify the Xiaomi Home Integration Version**: Ensure that the Xiaomi Home Integration version is up-to-date, as outdated versions may cause compatibility issues. 3. **Check the Home Assistant Core Version**: Confirm that the Home Assistant Core version is compatible with the Xiaomi Home Integration version. 4. **Inspect the Air Conditioner Companion Configuration**: Verify that the air conditioner companion is properly configured and connected to the Home Assistant system. ## Optimization Techniques 1. **Restart the Home Assistant System**: Restarting the Home Assistant system can often resolve connectivity issues and refresh the system. 2. **Update the Xiaomi Home Integration**: Updating the Xiaomi Home Integration to the latest version can resolve compatibility issues and improve performance. 3. **Configure the Air Conditioner Companion**: Reconfigure the air conditioner companion to ensure that it is properly connected and functioning correctly. ## Conclusion The Xiaomi Home Assistant is a powerful smart home system that requires proper configuration and maintenance to function optimally. By following the troubleshooting steps and optimization techniques outlined in this article, users can resolve issues with the air conditioner companion and enjoy a seamless smart home experience.