Emgrand new energy heating air conditioning is not hot. Why?

There are several reasons why the car air conditioner is not hot: 1. The car has just started, and the engine temperature has not yet risen, so it can be warmed up. 2, insufficient cooling liquid, insufficient cooling liquid will also cause the car air conditioner not to heat, just add cooling liquid. 3. The water pump is damaged, which leads to the failure of the coolant circulation system and the automobile air conditioner is not hot. Just replace the water pump. 4. The warm air water tank is blocked, resulting in the circulation of hot water inside the engine being less than that of the water tank, resulting in the air conditioner not heating. Just clean the warm air tank. 5, radiator fan failure, radiator fan often rotates to continue to dissipate heat, which will make it difficult for the coolant in the water tank to heat up, resulting in air conditioning can not heat up. Just check and repair the radiator fan.