Huawei Proprietary and Confidential                                     
Copyright © Huawei Technologies Co., Ltd. 
 
7.2.2 Viewing Alarm Records ........................................................................................................................................... 76 
7.2.3 Setting System Time ................................................................................................................................................ 79 
7.2.4 Setting the System Language ................................................................................................................................... 81 
7.2.5 Setting the Contrast .................................................................................................................................................. 83 
7.2.6 Setting the Currency and Currency Factor ............................................................................................................... 85 
7.2.7 Changing a User Password ...................................................................................................................................... 87 
7.2.8 Setting Communications Parameters ....................................................................................................................... 89 
7.2.9 Setting Protection Parameters .................................................................................................................................. 91 
7.2.10 Setting Feature Parameters .................................................................................................................................... 93 
7.2.11 Setting Isolation Parameters ................................................................................................................................... 95 
7.2.12 Manually Starting and Shutting down the SUN2000 ............................................................................................. 97 
7.2.13 Restoring Factory Settings ..................................................................................................................................... 99 
7.2.14 Enabling USB Guide Functions ........................................................................................................................... 101 
7.2.15 Cleaning the User Data ........................................................................................................................................ 104 
7.2.16 Resetting Alarms .................................................................................................................................................. 106 
7.2.17 Resetting the System ............................................................................................................................................ 107 
7.2.18 Viewing the System Version ................................................................................................................................ 109 
8 Maintenance ............................................................................................................................... 111 
8.1 Powering Off the SUN2000 ...................................................................................................................................... 111 
8.2 Routine Maintenance ................................................................................................................................................ 112 
8.3 Troubleshooting ........................................................................................................................................................ 113 
9 SUN2000 Handling ................................................................................................................... 119 
9.1 SUN2000 Removal ................................................................................................................................................... 119 
9.2 SUN2000 Packing .................................................................................................................................................... 119 
9.3 Disposing the SUN2000 ........................................................................................................................................... 119 
10 Technical Specifications ........................................................................................................ 120 
A Acronyms and Abbreviations ................................................................................................ 125 
B Power Grid Codes .................................................................................................................... 127