[变频空调维修]-第12章-跳闸故障-第5节-连机线接头短路,上电空气开关跳闸

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空调培训资料缩略图

第5节 连机线接头短路,上电空气开关跳闸

故障说明

海信KFR-50LW/27BP柜式交流变频空调器通电后即使不开机,空气开关也跳闸保护。此机使用约有3年。

1.查看加长管线

如图12-28所示,此机为饭店包房使用,室内机和室外机距离较远,中间加长约有5m管线,因此连接线也加长约有5m。

图12-28 加长连接线接头

图12-28 加长连接线接头

2.查看连接线接头

如图12-29所示,查看连接管道时,发现接头部分的包扎带有烧黑现象,于是解开包扎带,查看接头的防水胶布已经熔化,引线接头已经粘连在一起,且可以看出接头打火的痕迹。

图12-29 接头有打火痕迹

图12-29 接头有打火痕迹

维修措施

剪断接头将引线重新连接,并将接头分段包扎,使4个接头彼此错开,这样运行时不会再引起类似的故障。


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