迈瑞BC-3000Plus故障处理实例

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                    <section data-tools="gulangu" data-label="powered by gulangu"></section><p><br  /></p><section data-style-type="4" data-tools="新媒体排版" data-id="8543"><p><p><img src="image/20200927/5c70e771ece83b76ee3f3b98638bc67a_1.gif" /></p></p><p><br  /></p><section data-style-type="1" data-tools="新媒体排版" data-id="12979"><section><section></section><section><p>故障现象</p></section><section></section></section></section><section><span>客户报修：</span><span><span>HGB</span><span>电压为</span><span>0</span><span>，调节不了，并表示，一个月内经过维修更换</span><span>HGB</span><span>组件后，</span><span>HGB</span><span>故障仍频发。</span></span><span></span></section><h5><br  /></h5><section data-style-type="1" data-tools="新媒体排版" data-id="12979"><section><section></section><section><p>现场处理</p></section><section></section></section></section><p><span>1、故障确认：</span></p><section><span><span>到达现场后，开机，发现</span><span>HGB</span><span>灯亮，并且发现</span><span>HGB</span><span>电压为</span><span>3.29V</span><span>，并且可调节至</span><span>4.58V</span><span>，如下图：</span></span></section><section><span><span><br  /></span></span></section><p><p><img src="image/20200927/b3fe6f76a322e459aa0e699e5f27e5b3_2.jpg" /></p></p><p><br  /></p><section><span><span>因</span><span>HGB</span><span>时好时坏，故仍旧更换</span><span>HGB</span><span>组件，同时考虑到模拟板与</span><span>HGB</span><span>线接口接触不良也可能造成该故障，故将模拟板也作更换。</span></span></section><section><span><span><br  /></span></span></section><p><span><span>更换模拟板后，又出现</span><span>HGB</span><span>电压为</span><span>0</span><span>，灯不亮，电压调节不了的故障，如下图：</span></span></p><p><span><span><br  /></span></span></p><p><p><img src="image/20200927/e70e8ea6b89a253e1c3f26076cc7dd55_3.jpg" /></p></p><p><span><span></span></span></p><p><span><span></span></span></p><p><span><span>又将模拟板上所有的相关线头重新拔插，发现模拟板与</span><span>CPU</span><span>板的连线重新拔插后恢复正常。如下图：</span></span><br  /></p><p><span><span><br  /></span></span></p><p><p><img src="image/20200927/7ca13e068a41206eecb2f5e9310107e1_4.jpg" /></p></p><section><span><span></span></span><br  /></section><p><span><span>2、故障分析</span><span> </span></span></p><section><span>到现场前分析：</span><span><span>HGB</span><span>故障，电压为</span><span>0</span><span>，首先想的是</span><span>HGB</span><span>灯坏了，又因根据客户描述，</span><span>HGB</span><span>组件刚更换没到半个月，可能模拟板存在问题，故同时申请</span><span>HGB</span><span>组件和模拟板。</span></span></section><section><span><span><br  /></span></span></section><p><span>3、故障处理</span></p><section><span><span>首先观察</span><span>HGB</span><span>灯是否正常，当发现没有问题后，仍旧更换配件处理，因为当故障偶发时，就代表存在故障；当更换模拟板后，出现同样的问题时，有可能是因为自己的操作失误，也有可能是该故障真正的原因造成的，排查后，对各种接口都做了加固处理。</span></span></section><section><span><span><br  /></span></span></section><p><span>4、机器状态验证</span></p><p><span><span>故障解决后，老师做了</span><span>4</span><span>次质控测试，未出现问题</span><span>.</span><span>同时需做好回访，第一次回访，未出现问题。（时间间隔较短，参考性不强）</span></span><span></span></p><h5><br  /></h5><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></section></section><section><span>由于客户提过换机，所以此次服务要到位。基本上把可能造成</span><span><span>HGB</span><span>故障的配件，都做了更换。另外，更换配件后，一定要尽量保证线路管路的正确。</span></span><span></span></section><p><br  /></p></section>