Why BYD f0 heater and water tank are not hot?

Causes and solutions of BYD F0 warm air not being hot: \x0d\ 1. Because of the engine cooling system, the engine water temperature will not come up, and the warm air will not be hot. \x0d\2。 The impeller of the water pump is damaged or lost, so that the flow through the warm air small water tank is not enough and the heat cannot come up. \x0d\3。 There is air resistance in the engine cooling system, which leads to poor circulation of the cooling system, resulting in high water temperature and warm air. \x0d\ Solution: \x0d\ 1. Replace thermostat. \x0d\2。 Clean or replace the air conditioner filter. \x0d\3。 Replace antifreeze. \x0d\4。 Remember to turn on the warm air circulation switch.