GE64排VCT故障维修一则
故障现象 GE 64排VCT在结束前一名患者扫描后,进入后一名患者扫描序列时突然禁止曝光,包括定位像曝光扫描.
故障分析与维修 首先打开操作系统信息提示栏显示:“Scanning hardware has been shut down”(扫描硬件关闭).然后打开“维修”窗口的信息提示栏,找到CT机禁止曝光时出现的报错信息“Heater inverter permanent overcurrent.Issued by the heater board when an overcurrent has been detected and restarts have been tried without success within 100ms.Jedi detected open filament circuit.Verify tube.HV cable.HV tank filament transformer and jedi interconnect cables are properly installed.RMS filament current measurement(every 0.5 msec)on heater board too high."
ct故障维修
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TH772.2;TH707;R814.42
2014-10-17(万方平台首次上网日期,不代表论文的发表时间)
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