First of all check the error in the LCD panel of galaxy 3000 mge ups it's showing which error if it's not showing battery backup and charging current means ups is in auto bypass mode in our case our break for battery packs was tripped the we just simply put the ups temporarily bypass and the test bypass the safely shutdown ups and the on the breaker and 2nd step on the battery packs breaker and on main selector switch #technology #diy #music #subscribe #electronic #comment #usa #1k #automobile #machine