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今日维修的困惑

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Post time: 2019-3-14 22:13:01
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今调试一套海尔52变频风管,开机线控故障H9,经调试后开机E3无法开机,接遥控电源灯闪烁9次。查故障显示通讯故障,随后查个电源正常,通讯没有跳变恒值48V,判断室内版坏,换上后故障依旧。最后无意发现室外机提供给室内机电源处多了一个扼流圈,怀疑室内版检测出问题,最后想的把扼流圈拆下放置电源处缠绕一圈,问题解决了外机启动一切正常。望有同等情况能给大家多一分思考方案
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