迈瑞BC-5390故障处理实例

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                    <section data-style-type="4" data-tools="新媒体排版" data-id="8577"><p><p><img src="image/20200927/17d8b2924915558c6d8ebabe99fc90cb_1.gif" /></p></p></section><section data-style-type="1" data-tools="新媒体排版" data-id="12979"><section><section></section><section><p>反馈的故障现场</p></section></section></section><section><span><span>操作老师反应结果从安装之后频繁报“</span>R<span>”标识。</span></span><span></span></section><section data-style-type="1" data-tools="新媒体排版" data-id="12979"><section><section></section><section><p>前期沟通与指导</p></section></section></section><p><strong><span>&nbsp;</span></strong><span>和老师沟通做探头液清洗等无法解决故障。</span></p><section data-style-type="1" data-tools="新媒体排版" data-id="12979"><section><section></section><section><p>现场验证故障</p></section></section></section><p><span>&nbsp;&nbsp;</span><span>现场查看结果，确实报“</span><span>R</span><span>”标识较多（约占总量的十分之三到十分之四）。</span></p><section data-style-type="1" data-tools="新媒体排版" data-id="12979"><section><section></section><section><p>故障分析及处理</p></section></section></section><p><span>报警机理</span><strong><span></span></strong></p><p><span>“</span><span>R</span><span>”标识代表仪器反应结果可疑，多因散点图异常导致。</span></p><p><span><br  /></span></p><p><span>分析</span><strong><span></span></strong></p><p><span>由于是偶发故障，所以需要一边做标本一边观察仪器运行状态，看看能否恰好遇到报警，或者在仪器运行中观察出仪器的异常。</span></p><p><span>1.查看结果信息：散点图整体略偏高与中心点。</span></p><p><p><img src="image/20200927/6e1aa4d6067713e1ef610ebfcec2bb1e_2.png" /></p></p><p><span>但调整增益后并不能消除报警。</span></p><p><span>2.</span><span>和临床及其他工程师沟通，更换光源。</span></p><p><span><br  /></span></p><p><span>处理</span><strong><span></span></strong></p><section><span>按照仪器维修手册指导。</span></section><section><span><span>1.</span><span>去除流动室防护罩。</span></span></section><p><p><img src="image/20200927/95f96d520475929a6cde9c44264e0b18_3.png" /></p></p><section><span><span>2.</span><span>小心去除管路，在去除管路的同时准备好吸水纸，防止管路中残存的液体滴到电元件上。</span></span></section><p><p><img src="image/20200927/508670f2b1a68fc93c57b0c2011794c8_4.png" /></p></p><section><span><span></span></span><br  /></section><section><span><span>3.</span><span>打开上盖，去除光源屏蔽盒。</span></span></section><section><span><span>4.</span><span>小心把各个排线去除，在取下各排线时要确保记住各位置，或拍照。</span></span></section><section><span><span>5.</span><span>拧下四角的螺丝。</span></span></section><section><span><span>6.</span><span>小心将光源取下，注意下方管路及手不要碰到流动室或各个光学透镜组件。</span></span></section><section><span><span>7.</span><span>将新的光源按照反流程安装。注意下方特氟龙管不要被压折。</span></span></section><section><span><span>8.</span><span>开机，和靶机进行比对，必要时校准。</span></span></section><section><span>比对结果正常。</span></section><p><strong><span></span></strong></p><section data-style-type="1" data-tools="新媒体排版" data-id="12979"><section><section></section><section><p>故障总结</p></section></section></section><p><span>偶发故障比必发故障难以发现问题所在，偶发故障说明仪器大部分时间是正常的，经过某个动作或者是工作时间长了才会触发故障，所以这类故障往往更需要我们了解仪器的报警机理与工作时序，从源头入手排除。</span><span></span></p><p><br  /></p>