What Causes the Burnt Smell When the Car Air Conditioner is On?

[DiJade]

The reasons for the burnt smell when the car air conditioner is on are: 1. The air intake of the air conditioner is blocked, preventing the hot air inside from blowing out, which causes the heat to accumulate and burn the plastic components. The solution is to first check if the air intake is unobstructed, then manually test if the air outlet is functioning normally, and listen for any abnormal sounds inside the air conditioner unit. 2. Aging wiring, where the circuit gets burnt due to heat during electric heating. If this is the cause, the unit needs to be disassembled for inspection and repair. The car air conditioner is used to adjust and control the temperature, humidity, air cleanliness, and airflow inside the car cabin to the optimal state, providing a comfortable environment for passengers and reducing travel fatigue.