Yixiang фабрика является вашей одной остановки автомобильной системы переменного тока частей источника фабрики, поставки переменных частей, таких как компрессоры, сцепления, клапаны управления и т.д.
The temperature rises during the spring and summer seasons, and car air conditioning enters a high-frequency use stage. Freezing of the evaporator has become a typical air conditioning malfunction encountered by many car owners. This issue not only significantly reduces the cooling efficiency of the air conditioner, resulting in slow cooling inside the car, weak air outlet, long-term icing, but also may cause pipeline rupture, damage to core components such as the evaporator core, and increase maintenance costs.
To help overseas customers quickly troubleshoot and efficiently handle faults, this article uses easy to understand language to analyze in detail the three core causes of evaporator icing and corresponding solutions:
Insufficient refrigerant or improper filling: The lack of refrigerant in the air conditioning system can lead to abnormal pressure, low evaporator temperature, and ice formation. It is necessary to first conduct a comprehensive inspection of the pipelines, joints, and other parts to identify the leakage points. After completing the leak repair treatment, refrigerant should be accurately added according to the standard specifications to restore the normal pressure and refrigeration cycle of the system.
Blockage of air conditioning filter and poor ventilation: Air conditioning filters that have not been replaced for a long time will accumulate dust and debris, causing insufficient air intake and inability to dissipate heat from the evaporator, resulting in icing. Simply replace the air conditioning filter with a brand new one in a timely manner to ensure smooth ventilation and quickly improve the problem.
Stuck or abnormal operation of expansion valve: As a key component for controlling refrigerant flow, once the expansion valve is blocked or stuck, it will cause an imbalance in refrigerant flow, resulting in a sudden drop in local temperature of the evaporator and freezing. Professional maintenance is required for the expansion valve to remove impurities or replace new parts directly to restore the flow control function.
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