What causes Shante UPS uninterruptible power supply alarm?Many customers often encounter buzzing alarm sounds of UPS power supply during the use of UPS uninterruptible power supply. Because the front and back end of the power supply are connected to the normal power supply, voltage input and output 220V ~ 380V, belong to high voltage (dangerous), not professional electricians do not want to operate.
Shante UPS uninterruptible power supply has the following states in use:
1. When the power is cut off or the input power is not connected properly, UPS is powered by batteries. Usually the UPS alarm is "drops, drops, drops, drops, drops, drops" in 3-4 seconds.
2. Of course, if the battery life is up, the battery is out of power, and the alarm sound changes from indirect sound to continuous alarm of drip-drip-drip. At this time, the battery lamp will flicker, and the battery capacity lamp usually has only one cell display, then you should replace the new battery.
3. UPS overload operation will also alarm (overload is not much, generally overload more UPS in the specified time will stop their own protection), then it is not UPS itself fault, as long as the overloaded equipment is stopped a number of, UPS alarm will disappear; there is also a case of UPS internal fault, this situation is more common, there are many reasons, here is No. Recalling one by one, the fault lights will turn on at this time, and the alarm will generally ring for one second or long. At this time, you can find your dealer or manufacturer to repair, after the breakdown is removed, the alarm will be eliminated.