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故障现象 各项生化试验程序均能正确显示打印出来。但使用终点法测定显示打印出的结果一次比一次大,使用动力学法测定数据为零。 检查 本仪器设有真空抽吸杯,由于操作不慎被碰破,使玻璃碎片掉入机内试管架。检验人员打开仪口外壳及光学部分,取出碎玻璃,用棉球擦过透镜、滤光片,然后用试管进行正常操作,出现以上故障。根据故障现象、仪器结构原理可确定微处理器系统无故障,故障出在光学
Symptoms Each biochemical test program can be displayed correctly. However, the use of the endpoint method showed that the printed result was greater at one time than at a time, and the kinetic data was used to determine that the data was zero. Inspection The instrument is equipped with a vacuum suction cup. Due to careless handling, the glass fragments fall into the test tube rack. The inspector opened the instrument housing and the optical part, removed the broken glass, wiped the lens and filter with a cotton ball, and then used the test tube to perform normal operations. The above failure occurred. According to the phenomenon of failure and the structure of the instrument, it can be determined that the microprocessor system is fault-free and the fault is in the optics.