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故障现象 :日本Ｓｙｓｍｅｒ公司生产Ｋ - 4 50 0型血细胞分析仪开机后蜂鸣器长鸣 ,不进行自动冲洗 ,ＬＣＤ显示 :ＴｕｒｎＰｏｗｅｒＯＦＦ ;内置打印机提示 :ＰｒｅｓｓｕｒｅＬｏｗｅｒＥｒｒ,ＰｌｅａｓｅＰｏｗｅｒＯＦＦ ;不能进到ＲＥＡＤＹ状态 ,无法工作。分析与检修
Symptom: The Japanese Sysmer company produces the K - 4 500 type hematology analyzer. The buzzer sounds long after turning on the machine. No automatic flushing is performed. LCD display: TurnPowerOFF; Built-in printer prompts: PressureLowerErr, PleasePowerOFF; Cannot enter the READY state, unable to work . Analysis and overhaul