仪表不能开电启动：首先检查“电源”指示灯是否亮，不亮则电源未加入。
The meter cannot be powered: check if the "power" light is on at first. If not, the power doesn't start.
热水器打不着火的解决方法：检查交流电源插头指示灯是否亮，先排除电源供电部分的疑问。
Water heater can't fire solution: check the ac power plug lights are bright, to rule out power supply part of the question.
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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