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85问答库 > 0，75Kw380v变频器正常使用中突然没有输出RUN灯不亮FwD灯亮按RUN键或复位键没反应不知

0，75Kw380v变频器正常使用中突然没有输出RUN灯不亮FwD灯亮按RUN键或复位键没反应不知

2025-03-15 03:04:51

推荐回答（2个）

回答1：

你好！
烧坏了，内部电源模块损坏…没得救了
仅代表个人观点，不喜勿喷，谢谢。

回答2：

运行中突然没输出，根据你的描述FWD灯亮不运行可能是频率给定信号中断。这要看你的频率给定方式，有面板电位计、面板数字给定、外部电位器、外部端子UP/DOWN给定、通讯给定等，根据你的变频器频率给定方式进行检查就可以。

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