
CONTENT
1. GENERAL INFORMATION .......................................................................................................................................4
1.1 GETTING START........................................................................................................................................................4
1.2 IMPORTANT SAFETY INSTRUCTIONS ........................................................................................................................4
2. ELECTRIC SPECIFICATIONS..................................................................................................................................5
3. FUNCTIONAL BLOCK...............................................................................................................................................7
4. WORKING PRINCIPLE OF THE MAJOR FUNCTIONAL BLOCK.....................................................................9
4.1 SWITCH POWER SUPPLY .........................................................................................................................................9
4.2 PFC/BOOSTER ........................................................................................................................................................9
4.3 INVERTER.................................................................................................................................................................9
4.4 CHARGER...............................................................................................................................................................10
4.5 EMI BOARD............................................................................................................................................................10
5. FUNCTION EXPLANATIONS FOR EACH PCB.................................................................................................. 11
5.1 SPS-CHARGER BOARD (POWER STAGE BOARD)................................................................................................. 11
5.2 CNTLBOARD (CONTROL BOARD).........................................................................................................................11
5.3 COMMUNICATION BOARD .......................................................................................................................................11
5.4 EMI BOARD............................................................................................................................................................ 11
5.5 MAIN POWER BOARD ............................................................................................................................................. 11
5.6 PARA(A)AND PARA(B) BOARD............................................................................................................................... 11
5.7 O/PRELAY BOARD.................................................................................................................................................12
6. INTERFACE...............................................................................................................................................................13
6.1 LED DISPLAY.........................................................................................................................................................13
6.2 LCD DISPLAY.........................................................................................................................................................13
6.3 LCD DISPLAY ICON................................................................................................................................................13
7. TROUBLE SHOOTING............................................................................................................................................16
7.1 LCD PANEL DISPLAY PATTERN DEFINITION ..........................................................................................................16
7.1.1 Trouble shooting for warning icon in LCD display.........................................................................................16
7.1.2 Trouble shooting for fault codes in LCD display.............................................................................................17
7.1.3 Trouble shooting..............................................................................................................................................18
7.2 REPAIR ...................................................................................................................................................................18
7.2.1 Basic Instruments and tools.............................................................................................................................19
7.2.2 Configuration of the Model Port on the Control Board ..................................................................................19
7.2.3 Configuration of the charger current on the charger Board ...........................................................................19
7.2.4 Configuration of the
charge voltage
on the charger Board...........................................................................19
7.2.5 Regulation of the system..................................................................................................................................20
7.2.6 Quick Start.......................................................................................................................................................21
8. TEST STEP................................................................................................................................................................23
9. APPENDIX .................................................................................................................................................................24
9.1 REFERENCE WAVEFORM .......................................................................................................................................24