专案名称：
Axpert VM III-5000/VM III-3000
专案编号：
S1711171
修订版次：
00
PAGE
1 / 3
V-RDP-004-73 A
旭隼
日月元
维修手册
Prepared by
：
Clay Lin
Date
Checked by
Approved by
Page 1: ...专案名称 Axpert VM III 5000 VM III 3000 专案编号 S1711171 修订版次 00 PAGE 1 3 V RDP 004 73 A 旭隼 日月元 维修手册 Prepared by Clay Lin Date Checked by Date Approved by Date ...
Page 2: ...xpert VM III 5000 VM III 3000 专案编号 S1711171 修订版次 00 PAGE V RDP 004 73 A 变 更 记 录 00 版之前的版次以 0A 0B 0C 表示 00 版后之版次以 00A 00B 00C 表示 回首页 项 次 版次 变更内容 制定 制定日期 审核 生效日期 1 00 Initial release Clay 2018 2 5 2 01 HC 2019 01 22 ...
Page 3: ...维修手册 专案名称 Axpert VM III 5000 VM III 3000 专案编号 S1711171 修订版次 00 PAGE V RDP 004 73 A Axpert VM III 5000 VM III 3000 Service manual ...
Page 4: ...TEST STEP 7 3 CHECKING AND MEASURING GUIDE 8 3 1 CHECK THE BATTERY SIDE COMPONENTS ON MAIN BOARD 8 3 2 CHECK THE BUS SIDE COMPONENTS ON MAIN BOARD 15 3 3 CHECK THE BUCK CIRCUIT ON MAIN BOARD 16 3 4 CHECK THE INV FULL BRIDGE ON MAIN BOARD 18 3 5 CHECK BATT AND MAIN POWER SPS ON MAIN BOARD 21 3 6 CHECK AC SPS ON MPPT BOARD 25 3 7 CHECK THE BUS SOFT START CIRCUIT ON MPPT BOARD TX1 ESPECIALLY FOR 09 F...
Page 5: ... part will present the signal cables connection of the inverters 1 2 Basic topology introduction The topology of the inverter shows as below Hybrid Inverter VM III From GRID DC BUS From PV Charge Discharge Charge Discharge To Battery To LOAD Bi directional DC AC Inverter Bi directional DC AC Inverter Boost Boost Battery Battery BMS BMS Compare with UPS or normal inverter INVERTER combines a solar ...
Page 6: ...on the LCD When the fault occurred please help to record the fault information and follow How to check of part 2 2 to check the inverter then feedback the checking result to the service center It will be very helpful for solving the problem as soon as possible 1 6 Fault condition Note When open the top cover please have a look first are there any obviously damaged parts When take the main board ou...
Page 7: ... 3 5 and 3 6 How to solve Repair the main or replace it directly 2 2 2 09 fault Description Bus soft start fails Possible reason DC DC module was damaged or BUS soft start module was damaged How to check 1 Check the main board by following 3 6 3 7 2 Check the main board by following 3 1 3 2 3 3 3 4 How to solve Repair the main board or replace it directly 2 2 3 Warning Description Battery couldn t...
Page 8: ...d measuring guide 2 1 Check the battery side components on MAIN board Fuse and capacitors For VMIII 3000 FUCE 150A For VMIII 5000 FUCE 150A Parts Attribute Reference values Failure status F5 Resistor 0 1 ohm Open For VMIII 3000 C9 C11 C12 C196 C152 4200uF 35V For VMIII 5000 C9 C18 C196 6800uF 63V ...
Page 9: ...III 3000 专案编号 S1711171 修订版次 00 PAGE V RDP 004 73 A If the capacitors explode as below they need to be replaced Power devices DC DC MOSFET Q13 Q18 Q23 Q35 Q25 Q26 Q39 Q40 For VMIII 3000 ALL of the MOSFET are CSD19505KCS 201A 80V TO 220 ...
Page 10: ...ll cause the changing of the values when you measure the DS and GD So we recommend you measure the diode forward voltage of SD and the resistor of GS These two values can reflect the situation of the transistor more correctly Note2 If one or more of them were damaged please replace all of them 3 1 1 Drivers This part is only used for repair checking Note Drivers usually need to be checked when use...
Page 11: ...22ohm Resistor 22 ohm Open or other values If the resistors need to be replaced please also check the driver transistors and control IC The Q46and Q48 are 2SC2655 2A 50V NPN TAP TO 92 The Q47and Q49 are 2SA1020L Y T9N B 2A 50V PNP TAP TO 92NL The Q41and Q43 are 2SC2655 2A 50V NPN TAP TO 92 The Q15and Q16 are 2SA1020L Y T9N B 2A 50V PNP TAP TO 92NL Parts Attribute Reference values Failure status Q4...
Page 12: ...E 0 65V BC 0 65V CE 0 28V Q41 Q43 Resistor BE 430k BC 425k EC 104k Short or explosion Diode BE 0 65V BC 0 65V CE 0 28V Q47 Q49 Resistor BE 430k BC 430k EC 8k Short or explosion Diode BE 0 65V BC 1 75V CE 0 20V Q15 Q16 Resistor BE 430k BC 430k CE 8k Short or explosion Diode BE 0 65V BC 1 5V CE 0 28V ...
Page 13: ...6 are 2SD1624 2A 50V NPN SOT 89 The Q53and Q57 are 2SA1020 3A 50V PNP SOT 89 Parts Attribute Reference values Failure status Q52 Q56 Resistor BE 12k BC 280k CE OL Short or explosion Diode BE 0 64V BC 0 64V CE OL Q53 Q57 Resistor BE 12k BC OL CE 280k Short or explosion Diode BE 0 64V BC OL CE 1 09V ...
Page 14: ...00 专案编号 S1711171 修订版次 00 PAGE V RDP 004 73 A The Q60 and Q61 the MOSFET are UT3404G 5 8A 30V NPN SOT 23 SMD Parts Attribute Reference values Failure status Q60 Q61 Resistor GS 5 637k GD 107k SD 98k Short or explosion Diode SD 0 28V DS 1 14V ...
Page 15: ...ts VMIII 3200 Attribute Reference values Failure status Q27 Q28 Q29 Q30 Resistor GE 22 ohm GC 184k EC 184K Short or explosion Diode EC 0 37V CE OL Parts VMIII 5200 Attribute Reference values Failure status Q27 Q28 Q29 Q30 Resistor GE 22 ohm GC 205k EC 205K Short or explosion Diode EC 0 39V CE OL Note1 When you use the multimeter to measure the resistor of the transistor because of the capacitor in...
Page 16: ...R 1206 D32 D35 D33 D34 1N4148W 0 15A 75V SMD Parts Attribute Reference values Failure status R91 R102 R96 R101 Resistor 22 ohm Open or other values R90 R99 R94 R97 Resistor 0 ohm D32 D35 D33 D341 Resistor to 270k to OL Short or explosion Diode to 0 6V to OL Note1 When test the diode please remove the R90 R99 R94 R97 from the board or the test result is not right 2 3 Check the buck circuit on MAIN ...
Page 17: ...LK TO 247 For VMIII 3000 the IGBTs Q31 is STGW45HF60WDA 45A 600V NPN BULK TO 247 The D13 is RHRP1560 15A 600V UFST RAD BULK Parts Attribute Reference values Failure status Q31 Resistor GE 22 8k GC 49 5k CE OL Short or explosion Diode CE OL EC 0 393V D13 Resistor to 195k to OL OL Diode to 0 39V to OL Drivers This part is only used for repair checking ...
Page 18: ...Parts Attribute Reference values Failure status R106 Resistor 47 ohm Open or other values R103 Resistor 10 ohm D361 Resistor to 240k to OL Short or explosion Diode to 0 6V to OL Note1 When test the diode please remove the R103 from the board otherwise the test result is not right 2 4 Check the INV full bridge on MAIN board Power devices INV IGBT QA1 QC1 QB2 QD2 ...
Page 19: ...50V N BULK TO 247 Parts Attribute Reference values Failure status QA1 QC1 QB2 QD2 Resistor GE 23k GC 235k CE 700k Short or explosion Diode EC 0 4V CE OL Note1 If one or more of them were damaged please replace all of them Drivers R48 R144 R140 R137 39R 1206 R139 R145 R150 R152 10R 1206 D5 D6 D12 D16 1N4148W 0 15A 75V SMD ...
Page 20: ...m Open or other values R139 R145 R150 R152 Resistor 10 ohm Open or other values D5 D6 D12 D161 Resistor to 270k to OL Short or explosion Diode to 0 6V to OL Note1 When test the diode please remove the R139 R145 R150 R152 from the board ortherwise the test result is not right Optocoupler U1 U2 U3 U4 U12 ALL of the optocoupler are AVAGO T350 560E DIP 8 8 300 MIL SMD ...
Page 21: ...E 5A 125V For VMIII 5000 the NTC2 are THERMISTOR NTC 5OHM 5A SCK13055LSY For VMIII 3000 the NTC2 are NTC 5ohm 5A For VMIII 5000 the MOSFET Q69 are MOSFET IR IRF740 10A 400V N BULK TO 220 For VMIII 3000 the MOSFET Q69 are IRF640NPBF 18A 200V N BULK TO 220 For VMIII 5000 the R246 are NC For VMIII 3000 the R246 are RES 3W 0 15ohm The TX2 are TX 2 5 45 3 FER EC28 The R245 are RES 3W 0 15ohm The D61 ar...
Page 22: ...ort or explosion D60 Diode to 0 435V to OL Short or explosion R245 Resistor 0 65ohm Open or other values VMIII 3000 R246 VMIII 5000 R245 Resistor 0 65ohm NC Open or mother values Q691 Resistor GS 45 51k GD 57k VMIII 5000 GD 44 6k VMIII 3000 SD 528K VMIII 5000 SD 115K VMIII 3000 Short or explosion Diode SD 0 463V GS OL U14 Resistor PIN7 TO PIN5 77 5K PIN6 TO PIN5 45 48K Short or other values Q6 Res...
Page 23: ...rom the board otherwise the test result is not right Note2 When test the D69 please remove the D65 from the board otherwise the test result is not right Main Power SPS The MOSFET Q9 are IXFP7N100P 7A 1000V N BULK TO 220 The Q8 are 2SC5353BL 3A 750V TO 126C The U8 are IC PWM UC3845BNG DIP 8 The R203 are RES 5W 0 5ohm The R204 are RES 1 4W 10ohm 1206 The D53 are 1N4148W 0 15A 75V SMD The R67 are RES...
Page 24: ... values Failure status Q9 Resistor GS 45k SD 300K Short or explosion Diode SD 0 52V SG 0 73V Q8 Resistor BC 356k BE 413k Short or explosion Diode BC 0 59V BE 0 61V U8 Diode PIN5 TO PIN7 0 48V PIN5 TO PIN6 0 64V Short or other values R203 Resistor 0 5 ohm Open or other values R204 Resistor 10 ohm Open or other ...
Page 25: ...45V Short or explosion U10 Diode PINA TO PINI 0 45V PINA TO PINO 0 5V Short or explosion TX4 Resistor PIN1 TO PIN3 0 4 ohm Short or other values Note1 When test the D53 please remove the R67 from the board otherwise the test result is not right 2 6 Check AC SPS The F7 are FUSE 3A 125V The NTC4 are NTC 10 OHM 3 0A The REC3 are GBU4M 4A 1000V UFST The D83 are RHRP8120 8A 1200V The Q20 are IRFBG30 3 ...
Page 26: ...V SG OL Short or other values Q19 Resistor BC 361 9k BE 411 6k Short or explosion Diode BC 0 598V BE 0 611V U23 Diode PIN5 TO PIN7 0 492V PIN5 TO PIN6 0 639V Short or other values Resistor PIN1 TO PIN3 ohm Short or other values C176 Capacitance 33uF 450V 2 7 Check the bus soft start circuit TX1 Especially for 09 fault The D82 are RHRP8120 8A 1200V UFST The R238 are RES 0 62 J The MOSFET Q17 are IR...
Page 27: ...TX1 are TX 55 200 44 FER EEL16 The R260 are 22R 1206 The R235 are 1KR 1206 The R258 are 1 2KR 1206 The C176 are 33uF 450V Note If R260 is damaged please replace U18 together Parts Attribute Reference values Failure status D82 Resistor to 237k to OL Short or explosion Diode to 0 458V to OL ...
Page 28: ... other values R258 Resistor 1 195K ohm Open or other values R260 Resistor 22 ohm Open or other values U18 Resistor PIN7 TO PIN5 72k PIN6 TO PIN5 1 21k Short or explosion TX1 Resistor PIN2 to PIN4 2 7ohm PIN7 to PIN9 1 4ohm Short or other values When 09 fault happens and you couldn t find other damage please check TX1 2 8 Check the Boost on MPPT board Power devices Boost IGBT Q1 Q6 and Diode D1 The...
Page 29: ... 7k Short or explosion Diode EC 0 389V CE OL D52 Diode to 0 39V to OL Drivers The U11 are FOD3150ASD SO 8 The D27 and D28 are 1N4148W 0 15A 75V SMD The R60 and R223 are 10R 1206 The R225 and R229 are 39R 1206 Parts Attribute Reference values Failure status U11 Resistor PIN8 TO PIN5 350 7k PIN7 TO PIN5 388k Short or other values D27 D28 Diode to 0 6V to OL Short or explosion ...
Page 30: ... 10 ohm Open or other values R225 R229 Resistor 39 ohm Open or other values Note When test the diode please remove the R60 R223 from the board or the test result is not right 3 Disassembling guide Remove 8 screws on top cover and rear panel Remove LED cable and LCD cable and take out the Remote cover ...
Page 31: ...3 A Remove the plastic screws of wind pipeline Be careful not to damage them You can use an oblique mouth clamp to help you to remove the clip Note Please make sure that put the plastic sheet back and fix well Otherwise it will affect the heat dissipation Remove I P and O P cables ...
Page 32: ...维修手册 专案名称 Axpert VM III 5000 VM III 3000 专案编号 S1711171 修订版次 00 PAGE V RDP 004 73 A Remove the fan cables Remove PV IN cable MPPT NTC and Converter NTC and INV NTC ...
Page 33: ...00 VM III 3000 专案编号 S1711171 修订版次 00 PAGE V RDP 004 73 A Remove 13 screws on main board and take out the main board 1 1 Total wiring diagram Note Wrong connection of wires may cause inverter damage Please connect wires with care ...
