UPS A2 & B2 is currently in hot standby state, field measurement of actual power consumption, which consumes 4344w of electricity per hour. In 2020 energy saving plan, hope can turn off UPS A2 & B2 and save 3805kw of electricity every year. As present, the UPS operation mode is 1+1 parallel operation. If UPS A2& B2 is directly turn off, UPS system will generate fault alarm. To eliminate this fault alarm, you need to reset the UPS system, quit the running UPS, and put it into operation after setting.