警告！系统电池电压过低。
系统电池电压过低。
当电池电压过低时，屏幕上有低电压提示符号。
When the battery voltage is too low, a low voltage on the screen prompt.
如果蜂鸣器发声，表示接受受到了干扰或者电池电压过低。
If the beeper beeps the reception is jammed or the voltage of the battery is too low.
UPS在极短时间内进入“德国阳光蓄电池电压过低自动关机”的工作状态，从而停止向负载供电。
UPS in a very short time into the "German sunshine low storage battery voltage automatic shutdown" working condition, so as to stop supply power to the load.
由于长时间不用，电池得不到充电而电压过低，PLC程序丢失。
Since long time no, the battery can not be charged and the voltage is too low, PLC program is lost.
由于长时间不用，电池得不到充电而电压过低，PLC程序丢失。
Since long time no, the battery can not be charged and the voltage is too low, PLC program is lost.
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