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空调系统故障主要来自三个方面:一是空调制冷管路系统故障,主要有:管路泄漏、热交换器表面脏堵、各零部件工作性能下降、异响、制冷剂量不足或过量、空调压缩机传动带过松等;二是空调电路控制系统故障,主要是各传感器、控制单元、执行
Air conditioning system failure mainly from three aspects: First, air conditioning and refrigeration piping system failure, there are: pipeline leakage, heat exchanger surface dirty block, the performance degradation of various parts, abnormal sound, insufficient or excessive refrigerant, air conditioning and compression Machine drive belt too loose, etc .; Second, air conditioning circuit control system failure, mainly the sensors, control unit, the implementation of