若以上故障已排除，空调器仍然制冷、制热效果差，则可判断压缩机失效或效率降低。
If above fault has been ruled out, air conditioner still cooling, heating effect is poor, then can judge compressor failure or low efficiency.
对于KFR型空调器，若制冷正常，而不制热，其故障主要发生在四通电磁阀或其控制电路。
For KFR type air-conditioner, if refrigeration normal, not heating, its fault mainly in four electromagnetic valve or its control circuit.
着重介绍了汽车用空调器的工作原理、结构、常见故障及其检修方法。
In this paper the working principles, construction, commonly seen troubles and remedy of automotive air conditioners are briefly described.
并以LS 400轿车空调器为例，介绍这类故障的检测方法。
Take LS400 saloon automation air-conditioning as example now, introduce this kind of malfunction detecting method.
并以LS 400轿车空调器为例，介绍这类故障的检测方法。
Take LS400 saloon automation air-conditioning as example now, introduce this kind of malfunction detecting...
空调器停止发生故障有一阵子了。
空调器停止发生故障有一阵子了。
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