The Mi Door and Window Sensor 2 work erratically, sometimes working and sometimes not working.

If the Mi Door and Window Sensor 2 work erratically, sometimes working and sometimes not working, please refer to the following steps:
1. Make sure your sensor has enough battery power or replace the battery if needed;
2. Ensure the sensor is close enough to the hub or gateway for a strong signal and keep the sensor away from other electronic devices that may cause interference;
3. Make sure both your sensor and the app are up to date with the latest software;
4. The sensor must be correctly aligned and mounted on a suitable surface and suitable environment with moderate temperature and humidity;
5. Restart your sensor and gateway to refresh their connections;
6. Reset your sensor and re-pair it with the gateway;
7. If the issue persists, contact your local after-sales for further assistance regarding this issue.