FPD检测器是GC系列气相色谱仪常用的检测器，该检测器在使用中如操作不当（在控制电路接通检测头时点火），可能导致电子控制线路出现故障。维修人员在处理此类故障时，通常以更换线路板组件的方法解决，该方法固然简单可靠，但费用昂贵，且不一定能在短时间内购得组件。笔者通 The FPD detector is a commonly used detector of the GC series gas chromatograph. If the detector is used improperly (it will ignite when the control circuit turns on the sensor head), it may cause the electronic control circuit to malfunction. When dealing with such failures, maintenance personnel usually solve them by replacing the circuit board assembly. This method is simple and reliable, but it is expensive and may not be able to purchase components in a short time. The author