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Summary of Contents for Voltronic Power AXPERT MAX II 8KW
- Page 1 Service Manual...
- Page 2 AXPERT MAX II 8KW Service manual...
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Page 3: Table Of Contents
Table of contents 1. GENERAL INFORMATION ..........................4 1.1 G ..............................4 ETTING START 1.2 B ........................4 ASIC TOPOLOGY INTRODUCTION 1.3 I .............................. 4 NVERTER FAMILY 1.4 O ..........................5 VERVIEW THE INVERTER TROUBLESHOOTING ............................ 5 2.1 H ............................... 5 OW TO DO 2.2 F ............................. -
Page 4: General Information
1. General information 1.1 Getting start This manual is used as a checking and repairing guide for Axpert Max-3600. Before read this manual, it’s better to have some electrical or electronic background knowledge. With this guide, you can fix the inverter by yourself firstly. There are five main parts of this guide: General information: This part is the basic information of the inverter;... -
Page 5: Overview The Inverter
Model name Power rating Charger type Charger number AXPERT MAX II 8KW 8KVA MPPT 1.4 Overview the inverter AXPERT MAX II 8KW 2. Troubleshooting 2.1 How to do When the inverter was faulty, normally there are two main symptoms: ... -
Page 6: Test Step
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. Check the main board by following “3.5 and 3.6” How to solve Repair the main or replace it directly. -
Page 7: Checking And Measuring Guide
For AXPERT MAX II 8KW FUCE Parts Attribute Reference values Failure status 0.2 ohm Open Resistor GRID Input 0.2 ohm Open Resistor 63LET 63A 240VAC For AXPERT MAX II 8KW C8/C9/C12/C13/C18/C86: (6800uF 63V) If the capacitors explode as below, they need to be replaced. - Page 8 Power devices DC/DC MOSFET: Q24/Q21/Q38 & Q40/Q26/Q19 & Q17/Q11/Q20 & Q13/Q23/Q18 For AXPERT MAX II 8KW ALL of the MOSFET are (MOSFET IR/IRFP4668PBF 130A 200V N BULK TO-247) Parts Attribute Reference values Failure status IRFP4668PBF Resistor GS: 15.67k Short or explosion GD: 510.0k...
- Page 9 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. The Q46and Q48 are (TR UTC/2SC2655 2A 50V NPN TAP TO-92) The Q47and Q49 are (TR UTC/2SA1020L-Y-T9N-B 2A 50V PNP TAP TO-92NL)
- Page 10 The Q41and Q43 are (TR UTC/2SC2655 2A 50V NPN TAP TO-92) The Q15and Q16 are (TR UTC/2SA1020L-Y-T9N-B 2A 50V PNP TAP TO-92NL) Parts Attribute Reference values Failure status Q46/Q48 Resistor BE: 429.6k Short or explosion BC: 425.5k EC: 15.7k Diode BE: 0.65V BC: 0.65V EC: 0.28V...
- Page 11 CE: 0.17V The Q54and Q56 are (TR UTC/2SD1624 2A 50V NPN SOT-89) The Q55and Q57 are (TR UTC/2SA1020 3A 50V PNP SOT-89) Parts Attribute Reference values Failure status Q54/Q56 Resistor BE: 15.87k Short or explosion BC: 262.5k CE: OL Diode BE: 0.63V BC: 0.63V CE: OL...
- Page 12 Diode BE: 0.63V BC: 0.63V CE: OL Q53/Q54 Resistor BE: 15.87k Short or explosion BC: OL CE: 276.6k Diode BE: 0.63V BC: OL CE: 1.11V The Q60 and Q61 the MOSFET are (UT3404G 5.8A 30V NPN SOT-23 SMD) Parts Attribute Reference values Failure status Q60/Q61...
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Page 13: Check The Bus Side Components On Main Board
PIN14 TO PIN12: 432k 3.2 Check the bus side components on MAIN board Power devices DC/DC IGBT: Q27/Q28/Q29/Q30/Q31/Q35/Q37/Q45 For AXPERT MAX II 8KW ALL of the IGBTs are (IGBT ST/STGW60H65DFB 60A 650V N BULK TO-247) Parts Attribute Reference values Failure status... - Page 14 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 CE and GE. So we recommend you measure the diode forward voltage of EC, and the resistor of GE.
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Page 15: Check The Buck Circuit On Main Board
3.3 Check the buck circuit on MAIN board Power devices BUCK MOSFET and Diode:Q32/Q42/Q58 For AXPERT MAX II 8KW the IGBTs Q32 /Q42 are (IGBT ST/STGW60H65DFB 60A 650V N BULK TO-247) The Q58 is (APT/30DQ60BG 30A 600V UFST RAD TO-247 BULK) Parts... - Page 16 Drivers (This part is only used for repair checking) The R124/R128 are (10R 1206) The R125/R134 are (47R 1206) The D38/D40 are (1N4148W 0.15A 75V SMD) Parts Attribute Reference values Failure status R125/R134 Resistor 47 ohm Open or other values R124/R128 Resistor 10 ohm...
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Page 17: Check The Inv Full Bridge On Main Board
3.4 Check the INV full bridge on MAIN board Power devices INV IGBT: QA1/QA2/QC1/QC2/QB2/QB3/QD2/QD3 All of the IGBT are (STGW60H65DFB 60A 650V N BULK TO-247) Parts Attribute Reference values Failure status QA1/QA2/QC1/QC2/ Resistor GE: 17.59k Short or explosion QB2/QB3/QD2/QD3 GC: 208.1k EC: 183.7k Diode EC: 0.378V... -
Page 18: Check Batt And Main Power Sps On Main Board
Parts Attribute Reference values Failure status R48/R53/R144/R153/ Resistor 30 ohm Open or other values R140/R218/R137/R229 Optocoupler: U1/U2/U3/U4/U12 ALL of the optocoupler are (TI/UCC23513DWYR 6/SOIC SMD) Parts Attribute Reference values Failure status U1/U2/U3/U4/U12 Diode PIN4 TO PIN5: 0.63V Short or explosion PIN4 TO PIN6: 0.425V U2/U4/U12/ U1/U3 Resistor... - Page 19 The R215 is (RES 3W 0.15 J N-IND The R251 is (RES 2W 0.62 J RAD KINK N-IND TAP) The D65 is (RHRP8120 8A 1200V ) The D70 is (ER802F 8A 200V) The D67 is (ER802F 8A 200V) The D54 is (ER802F 8A 200V) The U20 is (IC LIN ST/L7912CV 3P/TO-220) The U5 is (IC LIN ON/MC78M05CDTRKG DPAK-3 SMD) Parts...
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Page 20: Check Ac Sps And Pv Sps
PIN5 TO PIN6: 0.64V Diode + to -: 0.45V Short or explosion - to +: OL Resistor PIN1 TO PIN3: 0.2 ohm Short or other values Resistor PIN2 TO PIN4: 2.7 ohm Short or other values R215 Resistor 0.15 ohm Open or other values R251... -
Page 21: Check The Boost On Mppt Board
Parts Attribute Reference values Failure status Resistor 0.2 ohm Open or explosion NTC1 Resistor 9.9 ohm Resistor SD: 212.2K Short or explosion SG: 15.55k Diode SD: 0.42V SG: 0.31V Resistor PIN1 TO PIN3: 0.4 ohm Short or other values Resistor 0.47ohm Open or other values... - Page 22 Boost IGBT Q2/Q5 and Diode D1/D24 The D1and D24 are (30DQ60BG 30A 600V TO-247) The Q2 and Q5 IGBT are (STGW80H65DFB 80A 650V N BULK TO-247) Parts Attribute Reference values Failure status Q2, Q5 Resistor GE: 41.17k Short or explosion GC: 233.5k EC: 183.5k Diode...
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Page 23: Disassembling Guide
Parts Attribute Reference values Failure status D3/ D25 Diode + to -: 0.6V Short or explosion - to +: OL R10/ R71 Resistor 30 ohm Open or other values R11/ R69 Resistor 47 ohm Open or other values Note 1: When test the diode; please remove the R11/ R69 from the board, or the test result is not right. - Page 24 Remove the remote panel and control cables. Remove the 2 control cables.
- Page 25 Remove 4 screws and 4 nuts on the SCR Board. Remove 5 screws on the SPS Board ,and 4 plastic screws of wind pipeline.
- Page 26 Remove 2 plastic screws of wind pipeline and 2 screws beside the control board. Take out the control board. Remove I/P and O/P cables.
- Page 27 Remove the fan cables. Remove 4 screws beside the fan frame. Remove PV IN cable.
- Page 28 Remove MPPT NTC, Converter NTC and INV NTC. Remove 22 screws on main board and MPPT board. Remove 5 copper pillars on MPPT...
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Page 29: Total Wiring Diagram
board. Take out the main board and MPPT board. Total wiring diagram: Note: Wrong connection of wires may cause inverter damage! Please connect wires with care!
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