关闭电源重新起动，机床工作正常。
Turn off the power to restart, the machine is working properly.
打开电源的时候，电源指示灯是常亮的才是正常的。
Open the power supply when the power indicator light is Always is normal.
可靠的电源是通信设备正常使用的前提。
The reliable power supply is the precondition of the normal operation of communication equipment.
供电正常用自动为后备电源充电。
Normal power supply with automatic charge for the back-up power.
2节中描述的负载电流，电源可以正常工作。
The load current is described in section 2.2.2, the power can work normally. 2.2.
电源电压是否正常：用仪表或探笔测试。
Check the voltage whether is normal or not: use the ammeter or testing pen.
电源开关用于控制仪表箱电源的通断和正常停机操作。
Power switch for controlling power supply meter box-off and normal shutdown operation.
电源开关用于控制仪表箱电源的通断和正常停机操作。
Power switch for controlling power supply meter box-off and normal shutdown operation.
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