2, check the fan gear operation, each gear should reach enough speed. If the knob is set to the warm air position, the air volume is large enough, the wind direction is normal, and the cold air blows out, check whether the cable of the cold and hot air control damper of the warm air box falls off, whether the warm air impeller is damaged, whether the damper falls off, etc. After troubleshooting, the warm air will become hot.
Extended data:
Precautions for Buick Excelle heater:
1, increase the humidity.
After the warm wind lasts for a period of time, you will obviously feel thirsty and uncomfortable breathing. This is because the air in the north is very dry in winter. Using warm air in a closed environment will aggravate dryness. At this time, you can properly open the window to solve this problem.
2. Set a reasonable wind direction.
When using warm air in winter, the wind direction should be adjusted to the position of blowing feet, so that people will not have obvious suffocation and get good heating effect.
3. Set a reasonable temperature.
Although warm air in winter can drive away the cold, it also has some disadvantages. Due to the large temperature difference between the inside and outside of the car, the air is extremely dry, and the owners with weak body resistance are prone to catch fire and catch a cold. Therefore, you should drink more water and try to keep warm air.