欧林帕斯系列冷光源在国内占有量均较大，我院就拥有多台不同型号的欧林帕斯冷光源，其中CLE－F10型冷光源功能齐全、使用方便、具有辅助摄影功能。该机可靠性强，但我院使用多年后，出现一例故障，观介绍如下：故障现象：开机后，机内散热风扇转，但：①A、B灯不亮；②面板上? Olympus series of cold light source in the domestic possession of large, our institute has more than one different type of Olympus cold light source, which CLE-F10 cold light source is complete, easy to use, with auxiliary photography function. The aircraft reliability is strong, but in our hospital after many years of use, there is a case of failure, the concept is described as follows: Failure phenomenon: After the boot, the cooling fan inside the machine, but: 1A, B light does not shine; 2 on the panel?