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Voltronic Axpert VM IV Service Manual

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Axpert VM IV
Service Manual
V-RDP-004-73 A

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Summary of Contents for Voltronic Axpert VM IV

  • Page 1 Axpert VM IV Service Manual V-RDP-004-73 A...

  • Page 2: Table Of Contents

    Table of contents 1. GENERAL INFORMATION ..........................1 1.1 G ..............................1 ETTING START 1.2 B ........................1 ASIC TOPOLOGY INTRODUCTION 1.3 I ............................... 1 NVERTER FAMILY 1.4 O ..........................1 VERVIEW THE INVERTER 2. TROUBLESHOOTING ............................2 2.1 H ................................

  • Page 3: General Information

    These models names are only neutral names; please match the real model name of your inverter to the model name in the table by comparing the typical characteristics. Model name Power rating Charger type Charger number Axpert VM IV 5600 5.6KVA MPPT Axpert VM IV 3600 3.6KVA MPPT 1.4 Overview the inverter...

  • Page 4: Troubleshooting

    2. Troubleshooting 2.1 How to do When the inverter was faulty, normally there are two main symptoms:  No display at all;  Fault code or warning code on the LCD; When the fault occurred, please help to record the fault information and follow “How to check”...

  • Page 5: Test Step

    button, could the inverter startup? If not, please check the fan. 2. If the LCD couldn’t light up and fan doesn’t work, please disconnect all the wires and open the top cover, and then take the main board outside by following part 4. 3.

  • Page 6: Checking And Measuring Guide

    3. Checking and measuring guide 3.1 Check the battery side components on MAIN board Fuse and capacitors For VMIV-3600 FUCE 200A For VMIV-5600 FUCE 200A Parts Attribute Reference values Failure status Resistor 0.1 ohm Open For VMIV-3600 C9/C11/C12/C196/C152: (4200uF 35V) For VMIV-5600 C9/C18/C196: (6800uF 63V)
  • Page 7 If the capacitors explode as below, they need to be replaced. Power devices DC/DC MOSFET: Q13/Q18/Q23/Q35 & Q25/Q26/Q39/Q40...
  • Page 8 For VMIV-3600 ALL of the MOSFET are (CSD19505KCS 201A 80V TO-220) For VMIV-5600 ALL of the MOSFET are ( MOSFET TOSHIBA/TK100E08N1 214A 80V N BULK TO-220...
  • Page 9 Parts Attribute Reference values Failure status CSD19505KCS (VMIV-3600) Resistor GS: 11.75k Short or explosion GD: 115.8k TK100E08N1 (VMIV-5600) DS: OL Diode SD: 0.463V DS: OL Note1: When you use the multimeter to measure the resistor of the transistor, because of the capacitor in the circuit, it will cause the changing of the values when you measure the DS and GD.
  • Page 10 Use multimeter to measure each resistor, find the burnt resistors and replace them; don’t need to replace them all. Parts Attribute Reference values Failure status All: 22ohm Resistor 22 ohm Open or other values If the resistors need to be replaced, please also check the driver transistors and control IC.
  • Page 11 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)
  • Page 12 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 Q46/Q48 Resistor BE: 430k Short or explosion BC: 430k EC: 16k Diode BE: 0.65V BC: 0.65V CE: 0.28V Q41/Q43...
  • Page 13 CE: 8k Diode BE: 0.65V BC: 1.5V CE: 0.28V The Q52and Q56 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 Short or explosion BC: 280k CE: OL Diode...
  • Page 14 Diode BE: 0.64V BC: OL CE: 1.09V 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 Short or explosion GD: 107k SD: 98k Diode SD: 0.28V DS: 1.14V...

  • Page 15: Check The Bus Side Components On Main Board

    The U9 is (IC PWM CNTL TI/UC3525AN DIP-16) Parts Attribute Reference values Failure status Resistor PIN13 TO PIN12: 8.8k Short or explosion PIN11 TO PIN12: 432k PIN14 TO PIN12: 432k Note: If you are not sure about these components, we recommend you replacing them all. 3.2 Check the bus side components on MAIN board Power devices DC/DC IGBT: Q27/Q28/Q29/Q30...
  • Page 16 For VMIV-5600 ALL of the IGBTs are (IGBT ST/STGW60H65DFB 60A 650V N BULK TO-247) For VMIV-3600 ALL of the IGBTs are (STGW45HF60WDA 45A 600V NPN BULK TO-247) Parts Attribute Reference values Failure status (VMIV-3600) Q27/Q28/Q29/Q30 Resistor GE: 22 ohm Short or explosion GC: 184k EC: 184K Diode...
  • Page 17 Meanwhile, we also need to check the driver tubes of these power tubes. R91/R102/R96/R101: (22R 1206) R90/R99/R94/R97: (0R 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/D34 Resistor...

  • Page 18: Check The Buck Circuit On Main Board

    test result is not right. 3.3 Check the buck circuit on MAIN board Power devices BUCK MOSFET and Diode: Q31/D13 For VMIV-5600 the IGBTs Q31 is (IGBT ST/STGW60H65DFB 60A 650V N BULK TO-247) For VMIV-3600 the IGBTs Q31 is (STGW45HF60WDA 45A 600V NPN BULK TO-247) The D13 is (RHRP1560 15A 600V UFST RAD BULK) Parts Attribute...

  • Page 19: Check The Inv Full Bridge On Main Board

    Drivers (This part is only used for repair checking) The R103 are (10R 1206) The R106 are (47R 1206) The D36 are (1N4148W 0.15A 75V SMD) Parts Attribute Reference values Failure status R106 Resistor 47 ohm Open or other values R103 Resistor 10 ohm...
  • Page 20 All of the IGBT are (STGW60H65DFB 60A 650V N BULK TO-247) Parts Attribute Reference values Failure status QA1/QC1/QB2/QD2 Resistor GE: 23k Short or explosion GC: 235k CE: 700k Diode EC: 0.4V...
  • Page 21 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 22 Parts Attribute Reference values Failure status R48/R144/R140/R137 Resistor 39 ohm Open or other values R139/R145/R150/R152 Resistor 10 ohm Open or other values D5/D6/D12/D16 Resistor + to -: 270k Short or explosion - to +: OL Diode + to -: 0.6V - to +: OL Note1: When test the diode;...
  • Page 23 ALL of the optocoupler are (AVAGO/T350-560E DIP-8 8/300 MIL SMD) Parts Attribute Reference values Failure status U2/U4/U12 Resistor PIN8 TO PIN5: 57k Short or explosion PIN7 TO PIN5: 145k...

  • Page 24: Check Batt And Main Power Sps On Main Board

    U1/U3 Resistor PIN8 TO PIN5: 355k PIN7 TO PIN5: 410k 3.5 Check BATT and Main Power SPS on MAIN board BATT Power For VMIV-5600 the F1 are (FUSE 3A 125V) For VMIV-3600 the F1 are (FUSE 5A 125V) For VMIV-5600 the NTC2 are (THERMISTOR NTC 5OHM 5A SCK13055LSY) For VMIV-3600 the NTC2 are (NTC 5ohm 5A) For VMIV-5600 the MOSFET Q69 are (MOSFET IR/IRF740 10A 400V N BULK TO-220) For VMIV-3600 the MOSFET Q69 are (IRF640NPBF 18A 200V N BULK TO-220)
  • Page 25 Parts Attribute Reference values Failure status Resistor 0 ohm Open or explosion VMIV-5600 NTC2 Resistor 5.48ohm Open or explosion VMIV-3600 NTC2 Resistor 5 ohm Open or explosion Diode + to -: 0.468V Short or explosion - to +: OL Diode + to -: 0.435V Short or explosion - to +:OL...
  • Page 26 SD: 528K(VMIV-5600) SD: 115K(VMIV-3600) Diode SD: 0.463V GS: OL Resistor PIN7 TO PIN5: 77.5K Short or other PIN6 TO PIN5: 45.48K values Resistor EB: 512k Short or other CB: 456k values Diode CB: 0.688V EB: 0.691V VMIV-5.6K TX2 Resistor PIN7 to PIN9: 0.57 ohm Short or other values VMIV-3.6K TX2...
  • Page 27 Parts Attribute Reference values Failure status Resistor GS: 45k Short or explosion SD: 300K Diode SD: 0.52V...

  • Page 28: Check Ac Sps On Mppt Board

    SG: 0.73V Resistor BC: 356k Short or explosion BE: 413k Diode BC: 0.59V BE: 0.61V Diode PIN5 TO PIN7: 0.48V Short or other PIN5 TO PIN6: 0.64V values R203 Resistor 0.5 ohm Open or other values R204 Resistor 100 ohm Open or other values Diode...
  • Page 29 The U23 are (IC PWM UC3845BNG DIP-8) The TX12 are (TX 26:4:42:27 FER EC28) The C176 are (33uF 450V) Parts Attribute Reference values Failure status Resistor 0.1 ohm Open or explosion NTC4 Resistor 11.4 ohm Diode + to -: 0.458V Short or explosion - to +:OL Resistor...

  • Page 30: Check The Bus Soft Start Circuit On Mppt Board (Tx1: Especially For 09 Fault)

    Resistor BC: 361.9k Short or explosion BE: 411.6k Diode BC: 0.598V BE: 0.611V Diode PIN5 TO PIN7: 0.492V Short or other PIN5 TO PIN6: 0.639V values Resistor PIN1 TO PIN3: ohm Short or other values C176 33uF/450V Capacitance 3.7 Check the bus soft start circuit on MPPT board (TX1: Especially for 09 fault) The D82 are (RHRP8120 8A 1200V UFST) The R238 are (RES 0.62 J) The MOSFET Q17 are (IRFBG30 3.1A 1000V TO-220)

  • Page 32: Check The Boost On Mppt Board

    Parts Attribute Reference values Failure status Resistor + to -: 237k Short or explosion - to +: OL Diode + to -: 0.458V - to +: OL D67/D73 Diode + to -: 0.47V Short or explosion - to +: OL Resistor GS: 1.195k Short or explosion...
  • Page 33 The D52 are (30DQ60BG 30A 600V TO-247) The Q10 and Q11 IGBT are (STGW60H65DFB 60A 650V TO-247) Parts Attribute Reference values Failure status Q10, Q11 Resistor GE: 18.29k Short or explosion GC: 206.1k CE: 358.7k Diode EC: 0.389V CE: OL Diode + to -: 0.39V - to +: OL...
  • Page 34 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 Resistor PIN8 TO PIN5: 350.7k Short or other values PIN7 TO PIN5: 388k D27/ D28...
  • Page 35 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. 3.9 Check the ED & SW board The LED6 are (RSBHGHC-A88-4T RGB 1.6*1.6 SMD) Parts Attribute Reference values...

  • Page 36: Disassembling Guide

    4. Disassembling guide Remove 10 screws on top cover and rear panel. Remove the remote panel and control cables.
  • Page 37 Remove Bat SW cable and LCD cable, and take out the Remote cover. (Note: If you just only need to replace the control board, you can replace it at this step.) Remove the plastic screws of wind pipeline. Be careful not to damage them.
  • Page 38 Note: Please make sure that put the plastic sheet back and fix well. Otherwise it will affect the heat dissipation. Remove AC SPS cable Comm cable LCD cable and Bat SW cable.
  • Page 39 Remove I/P and O/P cables. Remove the fan cables. Remove PV IN cable...

  • Page 40: Total Wiring Diagram

    MPPT NTC and Converter NTC and INV NTC 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!

This manual is also suitable for:

Axpert vm iv 3600Axpert vm iv 5600

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