如果电源指示灯同样不亮，请用万用表测量总开光是否有AC 380v的电压。
If the power light is still not on, check whether or not the main switch is with AC380V voltage by the universal meter.
如果电源指示灯同样不亮，请用万用表测量总开光是否有AC 380v的电压。
If the power light is still not on, check whether or not the main switch is with AC380V voltage by the universal meter.
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