If this does not work, the outdoor unit may be broken or malfunctioning. You can return it to the factory for repair or find a repair shop for repair. In addition, since the parking air conditioner consumes battery power, it is recommended to configure an additional 24V smart parking air conditioner generator, which can save some expenses.
Recommendations for using range extender generators:
It is not recommended to start the range extender when the battery is full. It is generally recommended to start the range extender when the battery is charged. is only 30 to 40%. There is no particularly good effect when starting when the battery is full. To protect the environment, it is recommended to start the range extender when necessary. Battery pollution is greaters serious as exhaust gas pollution. It is not recommended to use it when the battery is low. The range extender starts electrically. It may not start when the battery is low.