Axpert KING 3KVA, Service Manual

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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