打开电源开关，电源指示灯亮。
如果当你的双手湿的或站在湿的地板上不要用湿手打开电源开关或电器设备。
Ifyour hands are wet or you are standing on a wet floor, don't touch lightswitches or handle electrical equipment.
在打开电源开关之前，要确保热水器处于满水状态，冷水进水阀门处于开启状态。
Before closing the switch to allow electric current to flow to the heater, make certain that the heater is full of water and that the cold water inlet valve is open.
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