全自动生化仪维修故障分析（型号ZY-1200）

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                    <section><section powered-by="gulangu"><section><p><img src="image/20201019/739dcceb09ddddc443929d8c0a0a924e_1.gif" /></p></section></section><section powered-by="gulangu"><section> <section><section powered-by="gulangu"><p>故障现象</p></section></section> </section></section><section powered-by="gulangu"><p>&nbsp; &nbsp; &nbsp; 开机初始化过程中，报水浴盘水量不足；搅拌臂1回位超时，并机器带异响；R2试剂仓不制冷。</p></section><section powered-by="gulangu"><section><p><img src="image/20201019/6688c52b083500603969aec6efef0f0c_2.jpg" /></p></section></section><section powered-by="gulangu"><section> <section><section powered-by="gulangu"><p>故障分析及处理</p></section></section> </section></section><section powered-by="gulangu"><p>1、水浴盘的故障，拆开机器上的外科和后面的外盖，找到水浴盘下面的进水管，顺着管路中间连接的有一个循环泵MP2和两个电磁阀然后就连着到水箱。测试这几个排查问题，发现其中的一个电磁阀不动作，重新连接后故障排除。</p><p>2、排查搅拌臂1回位超时带异响。搅拌臂1的控制线路是第二块板的给的信号，重新插拔上面的接口，后故障清除。判断这个是由于接口氧化导致接触不好，导致这个搅拌臂回位慢。</p></section><section powered-by="gulangu"><section><p><img src="image/20201019/1eca716c35a6e90b56c1335aceba460c_3.jpg" /></p></section></section><section powered-by="gulangu"><section><p><img src="image/20201019/472ba51773edf5de84111364ea46a265_4.jpg" /></p></section></section><section powered-by="gulangu"><p>3、试剂仓不制冷故障排查，查看继电器工作正常。</p></section><section powered-by="gulangu"><section><p><img src="image/20201019/0b081e3ed5ea7151fdecdc96523a10ce_5.jpg" /></p></section></section><section powered-by="gulangu"><section><p><img src="image/20201019/de540efc9d3b37278a8f31cb0bf6eee0_6.jpg" /></p></section></section><section powered-by="gulangu"><p>&nbsp; &nbsp; &nbsp; 上面这块电路板是前面的第三块控制制冷模块的，拆开机器表面的外壳右边两个固态继电器给R2仓制冷帕尔片的电源，测试电源正常。一开始帕尔片制冷，后面1分钟左右就不冷了。认为这个是由于帕尔片的热量过高导致电路保护工作了。这个热量是靠循环泵循环防冻液带走帕尔片的热量。检测循环泵的外壳温度偏高，电源正常。更换循环泵，需要添加防冻液。</p></section><section powered-by="gulangu"><section><p><img src="image/20201019/eba7b62e91bfbfef6d328f303f125ae7_7.jpg" /></p></section></section><section powered-by="gulangu"><section><p><img src="image/20201019/4c5d128b04aecdce62165f548cedf3bc_8.jpg" /></p></section></section><section powered-by="gulangu"><p>&nbsp; &nbsp; &nbsp; 设备的后面外壳后面的这个存储箱上的一个堵头添加防冻液，少量多加几次直至制冷效果达到正常2-8度。</p></section><section powered-by="gulangu"><section> <section><section powered-by="gulangu"><p>故障分析及处理</p></section></section> </section></section><section powered-by="gulangu"><p>1、该设备的故障现象由于电磁阀和控制板接触不良，导致以上的报错信息。</p><p>2、循环泵故障导致不制冷。</p></section><section powered-by="gulangu"><p><br  /></p></section><section powered-by="gulangu"><section><section powered-by="gulangu"><section><p>欢</p></section></section></section><section><section powered-by="gulangu"><section><p>迎</p></section></section></section><section><section powered-by="gulangu"><section><p>关</p></section></section></section><section><section powered-by="gulangu"><section><p>注</p></section></section></section></section><section powered-by="gulangu"><p><br  /></p></section><section powered-by="gulangu"><section><section powered-by="gulangu"><section><p><img src="image/20201019/73e2e0d282eeb66bd7ae40b3ee75b1b8_9.jpg" /></p></section></section></section><section><section powered-by="gulangu"><section><section> </section></section></section></section><section><section powered-by="gulangu"><section><p>关注我们</p><p>一起涨姿势！</p></section></section></section></section></section>