Do not know why the day before with the good, the next day, plug the plug found that the computer is not powered, UPS backup lights have been flash, and has been "drops" ring. Pull the ups plug plug socket, the computer power is normal. Is not the UPS bad, or how.
UPS power alarm, power is not enough ... can not afford the computer ..... first let it plug in 10 minutes, plug in the computer can boot ... remember to open the UPS power switch ah ... Or else it is really bad ... simply point that you only give it a separate charge, rushed into it is bad .
UPS (Uninterruptible Power System), that is, uninterruptible power supply, is a kind of energy storage device, inverter as the main component of the constant voltage constant frequency uninterruptible power supply. Mainly for a single computer, computer network systems or other power electronic equipment to provide uninterrupted power supply. When the mains input is normal, the UPS will be powered by the mains supply to the load, this time the UPS is an AC mains regulator, and it also charge the battery to the machine; when the electricity interruption (accident power failure) , UPS immediately put the battery power, through the inverter conversion method to continue to supply 220V AC load, so that the load to maintain normal work and protect the load soft, the hardware is not damaged. UPS devices are usually protected against excessive voltage and low voltage.
BACKUP lights flash, on behalf of the UPS is currently working in the backup mode (battery discharge), other lights do not shine, may be UPS without electricity input or electricity exception.
If the charge is still a problem that day, there may be several reasons, the general possibility of the first two issues.
First, the voltage instability, the change is too large.
Second, UPS input socket bad contact.
Third, UPS own problem.
