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瓦里安加速器多叶准直器故障检修二例

Published in Zhonghua fangshe zhongliuxue zazhi • Sep 15, 2011
NobleIDNI7P66W47R24S25
Authors:
杨梦广

Abstract

多叶准直器是三维适形、调强放疗必备装置,现介绍瓦里安23EX加速器两例故障解决方法。 1.故障一:(1)现象:多叶准直器初始化无法正常进行。①Controller COMM OK指示灯熄灭;②Hyper Terminal Files 提示:[(null)]:2A28 1 st pass initialization failure: Leaf has not reached optical beam.Motor position:last=0,current=0;③HEAD TRANSCEIVER PCB DS2(黄色)亮。(2)分析:由以上信息得知,A面第28个马达在初始化过程中没有工作,未...

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