191问答库 > 三菱变频器 FR-E540系列开机后电源指示灯不亮是什么意思

三菱变频器 FR-E540系列开机后电源指示灯不亮是什么意思

2025-03-15 08:59:38
推荐回答（2个）
回答1：

电源指示灯不亮，那就是电源没有送过去了，或者指示灯坏了

回答2：

开关电源坏了

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