Axpert KING 3KVA - Default Chapter; Table of Contents

SERVICE MANUAL
3KVA/5KVA-230V
2
V201703A
Table of contents
1. General information .............................................................................................................................................. 3
1.1 Getting start ................................................................................................................................................. 3
1.2 Basic topology introduction ....................................................................................................................... 3
1.3 Inverter family.............................................................................................................................................. 4
1.4 Overview the inverter ................................................................................................................................. 4
1.5 PCB overview.............................................................................................................................................. 5
2. Troubleshooting .................................................................................................................................................... 6
2.1 How to do ..................................................................................................................................................... 6
2.2 Check the fault information ....................................................................................................................... 6
2.3 Fault condition ............................................................................................................................................. 7
2.4 Test step ....................................................................................................................................................... 8
3. Checking and measuring guide .......................................................................................................................... 9
3.1 Check the battery side components ........................................................................................................ 9
3.2 Check the bus side components ............................................................................................................ 16
3.3 Check the buck circuit .............................................................................................................................. 18
3.4 Check the INV full bridge ........................................................................................................................ 20
3.5 Check the MPPT board ........................................................................................................................... 22
4. Disassembling guide .......................................................................................................................................... 23
4.1 Remove the REMOTE BOX ................................................................................................................... 23
4.2 Open the case ........................................................................................................................................... 23
4.3 Remove all boards.. ................................................................................................ 錯誤! 尚未定義書籤。
5. Cables connection .............................................................................................................................................. 27