在简要介绍ALC/GPC 15 0c高温凝胶渗透色谱仪的基础上 ,选择了旋转空气分配阀、泵的控制电路、示差折光检测器、信号测量、微机控制和电源等关键部件所产生的十个有代表性的、已排除的故障实例进行深入分析研究 ,提出了排除故障的思路和办法 Based on the brief introduction of the ALC / GPC 15 0c high temperature gel permeation chromatograph, the ten components generated by the key components of the rotary air distribution valve, the pump control circuit, the refractive index detector, the signal measurement, the microcomputer control and the power supply are selected Representative, has ruled out the case of failure to conduct in-depth analysis and research, put forward ideas and methods to troubleshoot