Voltronic Axpert VM IV - Table of Contents

V-RDP-004-73 A
Table of contents
1. GENERAL INFORMATION ................................................................................................................................. 1
1.1 GETTING START ................................................................................................................................................. 1
1.2 BASIC TOPOLOGY INTRODUCTION ..................................................................................................................... 1
1.3 INVERTER FAMILY ............................................................................................................................................... 1
1.4 OVERVIEW THE INVERTER ................................................................................................................................. 1
2. TROUBLESHOOTING ......................................................................................................................................... 2
2.1 HOW TO DO ........................................................................................................................................................ 2
2.2 FAULT CONDITION .............................................................................................................................................. 2
2.3 TEST STEP .......................................................................................................................................................... 3
3. CHECKING AND MEASURING GUIDE ............................................................................................................ 4
3.1 CHECK THE BATTERY SIDE COMPONENTS ON MAIN BOARD ............................................................................ 4
3.2 CHECK THE BUS SIDE COMPONENTS ON MAIN BOARD .................................................................................. 13
3.3 CHECK THE BUCK CIRCUIT ON MAIN BOARD .................................................................................................. 16
3.4 CHECK THE INV FULL BRIDGE ON MAIN BOARD ............................................................................................ 17
3.5 CHECK BATT AND MAIN POWER SPS ON MAIN BOARD .............................................................................. 22
3.6 CHECK AC SPS ON MPPT BOARD ................................................................................................................. 26
3.7 CHECK THE BUS SOFT START CIRCUIT ON MPPT BOARD (TX1: ESPECIALLY FOR 09 FAULT) ...................... 28
3.8 CHECK THE BOOST ON MPPT BOARD ............................................................................................................ 30
4. DISASSEMBLING GUIDE ................................................................................................................................. 34
TOTAL WIRING DIAGRAM: ........................................................................................................................................ 38