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ＹＰ－９０Ａ型微电脑控制婴儿培养箱风机检测电路故障分析与检修刘长水潘荣廷刘德林北京矿务局总医院（１０２３００）一、故障现象我院儿科一台ＹＰ－９０Ａ型婴儿培养箱风扇电机损坏，从原生产厂家邮购一台新电机换上，开机通电后电机运转正常，但仪器自检后发出报警音...
YP-90A microcomputer control baby incubator fan detection circuit fault analysis and maintenance Liu Changshui Pan Rongting Liu Delin Beijing Mining Bureau General Hospital (102300) I. Symptoms A pediatric pediatric YP-90A infant incubator fan motor damage from the original A new motor was purchased by the manufacturer and replaced by a new one. After the power is turned on, the motor is operating normally, but the instrument sounds after the self-test.