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tqtdnmfk
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樓主  發(fā)表于: 2011-02-24 09:43

我公司有一臺型號為：UNI4401  45KW的CT變頻器，最近老出問(wèn)題，經(jīng)常報：ENC 、OUL故障，在相關(guān)手冊根本找不到該故障代碼是什么意思，如果是報ENC、OU故障還差不多，可偏偏多了個(gè)L，不過(guò)我估計也是直流母線(xiàn)過(guò)電壓的問(wèn)題。這種時(shí)有時(shí)無(wú)的不穩定故障報警，真讓人煩心。希望各位工控朋友們指點(diǎn)指點(diǎn)，當然，如果誰(shuí)有相應的內部電路圖紙那就更好啦！謝謝大家！

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