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Turn on the power switch, power indicator light.
打开电源开关，电源指示灯亮。
Turn on the power switch, then turn on the switches in controller. Check phase and voltage.
合上电梯供电开关，再分步控制柜内各控制回路电开关。检查所有电源电压和相序(相序继电器)是否正确。
Turn on the power switch, the power indicator light is lit, which means the power is connected.
开上电源开关，电源指示灯亮表示电源接通。
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