维修手册
专案名称：
AxpertVM1KW/VM2KW
专案编号：
S1701112
修订版次：
00 PAGE 4/30
V-RDP-004-73 A
Table of contents
1. GENERAL INFORMATION ........................................................................................................................... 5
1.1 G
ETTING START ........................................................................................................................................... 5
1.2 I
MPORTANT SAFETY INSTRUCTIONS ............................................................................................................ 5
2. FUNCTIONAL BLOCK ................................................................................................................................... 7
3. WORKING PRINCIPLE OF THE MAJOR FUNCTIONAL BLOCK ........................................................ 8
3.1 S
WITCH POWER SUPPLY ............................................................................................................................ 8
3.2 DC
TO DC CONVERTER (PUSH-PULL) ........................................................................................................ 9
3.3 DC
TO AC INVERTER (FULL-BRIDGE) ....................................................................................................... 10
3.4 C
HARGER .................................................................................................................................................. 11
4. FUNCTIONAL EXPLANATIONS FOR EACH PCB ................................................................................. 12
4.1 M
AIN BOARD .............................................................................................................................................. 12
4.2 SCC
BOARD .............................................................................................................................................. 12
4.3 COMM
BOARD .......................................................................................................................................... 12
4.4 LED
BOARD ............................................................................................................................................... 13
5. INTERFACE .................................................................................................................................................... 13
5.1 LED
INDICATOR ......................................................................................................................................... 13
5.2 LCD
DISPLAY ICONS ................................................................................................................................. 14
6. TROUBLESHOOTING .................................................................................................................................. 18
6.1 F
AULT REFERENCE CODE ......................................................................................................................... 18
6.2 W
ARNING INDICATOR ................................................................................................................................ 18
6.3 T
ROUBLE SHOOTING ACCORDING TO FAULT INDICATION .......................................................................... 19
6.4 Q
UICK START ............................................................................................................................................. 20
7. TEST STEP ...................................................................................................................................................... 22
8. ELECTRICAL SPECIFICATION ................................................................................................................. 23
8.1 T
ABLE 1 LINE MODE SPECIFICATIONS ...................................................................................................... 23
8.2 T
ABLE 2 INVERT MODE SPECIFICATIONS .................................................................................................. 23
8.3 T
ABLE 3 CHARGE MODE SPECIFICATIONS ............................................................................................... 25
9. ASSEMBLING GUIDE ................................................................................................................................... 26
9.1 T
HE VM 1K ASSEMBLY .............................................................................................................................. 26
9.2 T
HE VM 2K ASSEMBLY .............................................................................................................................. 29
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