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陳仙子915
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樓主  發(fā)表于: 2019-06-29 20:46
圖片：
最近搞了一臺設備，現在問(wèn)題就是電源模塊，一會(huì )兒零線(xiàn)和相線(xiàn)為380V一會(huì )兒為220v，一會(huì )兒為20 30 V ，請教什么問(wèn)題，拆開(kāi)來(lái)過(guò)好幾遍了，線(xiàn)全接的沒(méi)有問(wèn)題，相線(xiàn)也換過(guò)一相與零線(xiàn)連接，還是存在問(wèn)題，求指教
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    lijinniu
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    1樓  發(fā)表于: 2019-07-01 11:16
    把線(xiàn)耳壓接的地方檢查一下，有可能是沒(méi)有壓緊。還有先查一下漏電開(kāi)關(guān)下部電壓是否正常，然后查一下保險座，一步步的檢查就行了。

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