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PLILILOS TD数字胃肠机故障分析与检修
故障一:操作TD床时(包括床的起降、左、右、上、下运动)均极080-(270-282).分析与检修:而该27-282 ERROR CODES为Thesingle fault security circuit is closed(not active),The rdl-evant output from the main processor as seen by the supervisor is active,也就是说该机床控制及运动部分存在短路现象,查看电路图Z1~13,Single fault Detection中的CGZ,Stand(A14)正常.
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GE PRESTIGEII多功能全数字化胃肠机故障维修1例
1故障现象系统开机自检报错ERROR3306:Overload current detection in large focus heatcircuit during preheat;错误复位后,进入正常的操作模式,透视和小焦点摄片抱歉正常,但使用大焦点摄片或序列成像时,机器报错ERROR3301:Heat farlt detection during boost on large focus 和ERROR3302:Heat fault detection during heaton large focrs.错误复位后,重新曝光,故障不变.