GE公司Lightspeed故障2例 (pdf)

    随着医院高新大型设备的不断引进，医院设备维修越来越困难，维修费用也越来越高，这就需要工程技术人员在加强维修技术的培训和学习外，更要加强同行之间的信息沟通，本文提供有关GE Lightspeed机器故障2例，以供同仁参考。

     1 故障一

    1.1 故障现象 Lightspeed Ultra在使用过程中突然停止扫描，故障提示如下。

    Suite:HSA1 Host:OBC Proc:Generator Error:183121

    File:gen_abort.c 1.30 Method:No Method Line:340

    Function:XRAY GENERATION:Filament Selection

    Scan:0/0/0 Type:None/Unknown

    Exception Level:Pri/Most Severe Time:17:02:22:885 Log Series:26

    FIL/MA fault detected:Open filament circuit.

    Desired focal spot=0.(0=large,1=small)

    Fault latch address=ffdf43 hex,Bit=D7

    Suite:HSA1 Host:OBC Proc:Generator Error:183121

    File:gen_abort.c 1.30 Method:No Method Line:117

    Function:XRAY GENERATION:Filament Selection

    Scan:0/0/0 Type:None/Unknown

    Exception Level:Pri/Most Severe Time:17:08:30:995 Log Series:28

    FIL/MA fault detected:Open filament circuit.

    Desired focal spot=1.(0=large,1=small)

    Fault latch address=ffdf43 hex,Bit=D7

    1.2 故障分析 OBC控制盒中毫安控制板调整球管灯丝板上灯丝逆变部分的输出电压 ......