家电门铰链松动,导致门开合不顺畅。拧紧门铰链螺丝,若螺丝孔变大,可使用垫片加固。若铰链损坏,需更换新的门铰链,确保门安装牢固
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家电排水泵不工作,检查排水泵供电线路是否正常。若线路无问题,可能是排水泵电机损坏或叶轮卡死。清理叶轮杂物,检测电机运转情况,必要时更换排水泵
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