Ups light is keep blinking when I [turn] on my pc

Gogeto_16

Commendable
Jan 26, 2017
232
0
1,690
Hy guys, Want some help
I had an old computer ups batteries were dead so I changed it's battery and used it so I had 425W Psu in my pc every thing was fine but then I upgrade to 600W psu every thing was fine too but then yesterday at night I click the power button of my pc and ups starts to blink from orange to green light I don't what happens have changed the switch charged the ups but don't know what is happening don't want to take any risk here's my Specs:
I5 3570 3.4Ghz
Gainward Phantom GTX 970 Edition with 6+6 pin
8GB DDR3 RAM
Asus P8h76-m-le
1x4 Cooler master blue led cooling fan
500GB HDD
128GB SSD

Even I just on the pc and this starts happening there was no load on pc
While on battery the pc works fine but can't use on battery.
Please Help (sorry for bad english )