可立即對UPS 電源各開關狀態及電量各參數進行檢查， 電源柜三相電源電壓無異常，主路、旁路開關均處于合閘位置，電流為 0；將 UPS 輸出屏主進開關分閘；

按 UPS 本體故障清除鍵按鈕；

將UPS 輸入主、旁路斷路器分閘，靜待 30 秒后恢復合閘；此時 UPS 自動轉為旁路運行狀態；

將 UPS 運行狀態由旁路供電模式轉換為正常整流逆變模式；檢查 UPS 輸出各項電量參數無異常；此時再將電池組開關由跳位分閘到分位，然后重新進行合閘，開關恢復正常合閘位置；

將 UPS 輸出屏各開關恢復合閘位置，機房失電列頭柜恢復供電；

通知 UPS 廠家人員到場對故障設備進行檢查，排除故障隱患。

The switch status and power parameters of UPS power supply can be checked immediately. There is no abnormality in the three-phase power supply voltage of the power cabinet. The main circuit and bypass switches are in the closing position, and the current is 0; Open the main incoming switch of UPS output panel;

Press the ups body fault clearing button;

Open the ups input main and bypass circuit breakers, wait for 30 seconds and then resume closing; At this time, ups will automatically switch to bypass operation state;

Convert the operation state of ups from bypass power supply mode to normal rectifier inverter mode; Check that all power parameters output by ups are normal; At this time, open the battery pack switch from the tripping position to the opening position, and then close it again, and the switch returns to the normal closing position;

Restore the switches of UPS output panel to the closing position, and restore the power supply to the column head cabinet after power loss in the machine room;

Inform the ups manufacturer's personnel to check the faulty equipment and eliminate the hidden trouble.