## Introduction to Xiaomi Home Assistant
The Xiaomi Home Assistant is a cutting-edge smart home system designed to integrate and control various Xiaomi devices, including the 米家智能净烟机P1 smart air purifier. This article aims to provide a comprehensive guide on troubleshooting and optimizing the Xiaomi Home Assistant, with a focus on resolving issues related to the 米家智能净烟机P1.
## Troubleshooting the 米家智能净烟机P1
Recently, an issue has been reported where the fan of the 米家智能净烟机P1 becomes unusable after updating the firmware from 2.2.8.0045 to 2.2.8.0054. This problem can be identified by the device IDs cjkj.hood.jyj22, fan.cykj_cn_873246294_jyj22_s_3_fan_control, and switch.cykj_cn_873246294_jyj22_on_ventilation_p_3_1.
### Reproducing the Issue
To reproduce this issue, follow these steps:
1. Ensure your 米家智能净烟机P1 is running firmware version 2.2.8.0045.
2. Update the firmware to version 2.2.8.0054.
3. Attempt to use the fan.
### Expected Behavior
The expected behavior is that the fan should function properly after the firmware update.
### Reproduce Time
This issue was first reported on 2025-10-22 00:00:00.
### Home Assistant Logs
Unfortunately, the Home Assistant logs are not available for this issue.
### Log Timezone
The log timezone is set to Asia/Shanghai.
### Home Assistant Core Version
The Home Assistant core version is 2025.6.0.
### Home Assistant Operation System Version
The Home Assistant operation system version is 20250531.2.
### Xiaomi Home Integration Version
The Xiaomi Home integration version is v0.4.3.
## Troubleshooting Steps
To resolve this issue, follow these troubleshooting steps:
1. **Check the device IDs**: Ensure that the device IDs cjkj.hood.jyj22, fan.cykj_cn_873246294_jyj22_s_3_fan_control, and switch.cykj_cn_873246294_jyj22_on_ventilation_p_3_1 are correctly configured in your Home Assistant setup.
2. **Verify the firmware version**: Confirm that the 米家智能净烟机P1 is running the latest firmware version.
3. **Restart the device**: Restart the 米家智能净烟机P1 and check if the issue persists.
4. **Check the Home Assistant logs**: Review the Home Assistant logs to identify any errors related to the 米家智能净烟机P1.
5. **Reset the device**: If none of the above steps resolve the issue, reset the 米家智能净烟机P1 to its factory settings.
## Conclusion
The Xiaomi Home Assistant is a powerful tool for controlling and integrating various Xiaomi devices. By following the troubleshooting steps outlined in this article, you should be able to resolve issues related to the 米家智能净烟机P1 and optimize your Xiaomi Home Assistant setup. If you continue to experience issues, refer to the Home Assistant documentation and community forums for further assistance.