2. The connected wifi has no network.
3. The air conditioner wifi module failed, which caused the air conditioner to fail to connect normally.
4. Check whether Oaks Air Conditioning APP is updated to the latest version. Sometimes major updates to the application will affect the air conditioner's connection to wifi.
5. Check the channel segment of the router. The air conditioner can only support 2.4G, and some routers can't connect with air conditioners, such as routers that need web authentication, which are hidden.