UPS2000-G-(1 kVA-3 kVA) 
User Manual 
 
Copyright © Huawei Technologies Co., Ltd. 
 
5.1 Checking Before Powering On the UPS ..................................................................................................................... 58 
5.2 Starting the UPS ......................................................................................................................................................... 58 
5.3 Shutting Down the UPS .............................................................................................................................................. 61 
5.4 Transferring to Bypass Mode ...................................................................................................................................... 61 
5.5 Transferring from Bypass Mode to Normal Mode ...................................................................................................... 61 
5.6 Transferring to Battery Self-check .............................................................................................................................. 61 
5.7 Enabling or Disabling the Buzzer ............................................................................................................................... 62 
5.8 Manually Clearing Alarms .......................................................................................................................................... 62 
5.9 Entering Alarm Cause ID Screen ................................................................................................................................ 62 
6 Maintenance and Storage .......................................................................................................... 63 
6.1 Maintenance ................................................................................................................................................................ 63 
6.2 Storage ........................................................................................................................................................................ 63 
7 Routine Maintenance ................................................................................................................. 64 
7.1 UPS Maintenance ....................................................................................................................................................... 64 
7.2 Battery Maintenance ................................................................................................................................................... 65 
8 Troubleshooting .......................................................................................................................... 70 
9 Specifications ............................................................................................................................... 72 
9.1 Physical Specifications ............................................................................................................................................... 72 
9.2 Environmental Specifications ..................................................................................................................................... 72 
9.3 Mains Input Electrical Specifications ......................................................................................................................... 73 
9.4 Bypass Input Electrical Specifications ........................................................................................................................ 74 
9.5 Output Electrical Specifications ................................................................................................................................. 74 
9.6 Battery Specifications ................................................................................................................................................. 76 
9.7 ECO Feature ............................................................................................................................................................... 77 
9.8 System Electrical Specifications ................................................................................................................................. 78 
9.9 Safety Regulations and EMC ...................................................................................................................................... 78 
A Acronyms and Abbreviations .................................................................................................. 79