Kodak 5KVA-220V - Default Chapter; Table of Contents

SERVICE MANUAL
5KVA-220V/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 .................................................................................................................................................... 8
2.1 How to do ..................................................................................................................................................... 8
2.2 Check the fault information ....................................................................................................................... 8
2.3 Fault condition ............................................................................................................................................. 8
2.4 Test step ....................................................................................................................................................... 9
3. Checking and measuring guide ........................................................................................................................ 10
3.1 Check the battery side components ...................................................................................................... 10
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 SCC board .................................................................................................................. 24
4. Disassembling guide .......................................................................................................................................... 25
4.1 Open the case ........................................................................................................................................... 25
4.2 Remove the control board ....................................................................................................................... 26
4.3 Remove the fan paper and the SCR board and the MPPT board.. ............................................................ 27
4.4 Remove the main board .......................................................................................................................... 30
5. Cables connection .............................................................................................................................................. 33