1. Battery failure: BYD Qin 14 battery failure, and the charging port may not be opened. In this case, it is recommended to contact a professional technician to check the health of the battery and replace it.
2. The electronic key can't open the charging port: If the electronic key can't operate correctly to open the charging port, it may be the key itself. You can try to replace the electronic key battery or contact a professional technician.
3. Charging port failure: If the charging port itself fails, it can't be opened anyway. In this case, it is recommended to contact professional and technical personnel for maintenance or replacement.
4. Improper operation: In some cases, the user may not be able to open the charging port due to improper operation, such as not using the correct way or not inserting the key into the designated interface. In this case, please confirm the operation before trying.
In short, if the charging port of BYD Qin 14 can't be opened, please check your battery and electronic key first, and ask professional technicians for further diagnosis and maintenance.