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SPF 5000 ES Service manual

 

 

 

 

 

Service manual 

Table of contents 

1.

 

General information

 ........................................................................................................................................................ 2 

1.1

 

Getting start

 ......................................................................................................................................................... 2 

1.2

 

Important safety instructions

 ............................................................................................................................. 2 

2.

 

Functional block

 .............................................................................................................................................................. 3 

3.

 

Working principle of the major functional block

 .......................................................................................................... 4 

3.1

 

Switch Power Supply

 .......................................................................................................................................... 4 

3.2

 

DC TO DC dual converter (Full bridge converter)

 .......................................................................................... 5 

3.3

 

Inverter (Full bridge)

 ........................................................................................................................................... 5 

3.4

 

Buck converter

 .................................................................................................................................................... 6 

4.

 

Functional explanations for each PCB

 ........................................................................................................................ 7 

4.1

 

Main board

 ........................................................................................................................................................... 7 

4.2

 

CNTL board

 ......................................................................................................................................................... 8 

4.3

 

MPPT board

 ......................................................................................................................................................... 8 

4.4

 

COMM board

 ....................................................................................................................................................... 8 

4.5

 

BMS board

 ........................................................................................................................................................... 9 

4.6

 

MOV board

 ........................................................................................................................................................... 9 

4.7

 

SWITCH board

 .................................................................................................................................................. 10 

4.8

 

PARALLEL_COM    board

................................................................................................................................ 10 

5.

 

Troubleshooting

 ............................................................................................................................................................. 12 

5.1

 

Fault Reference Code

 ...................................................................................................................................... 12 

5.2

 

Warning Indicator

 .............................................................................................................................................. 13 

5.3

 

Trouble shooting according to fault indication

 .............................................................................................. 15 

5.4

 

Quick start

 .......................................................................................................................................................... 17 

6.

 

Test Step

 ........................................................................................................................................................................ 20 

7.

 

Key components location

 ............................................................................................................................................ 21 

7.1

 

Main board

 ......................................................................................................................................................... 21 

7.2

 

MPPT board

 ....................................................................................................................................................... 24 

 

 

 

 

 

 

 

Summary of Contents for SPF 5000 ES

Page 1: ...idge converter 5 3 3 Inverter Full bridge 5 3 4 Buck converter 6 4 Functional explanations for each PCB 7 4 1 Main board 7 4 2 CNTL board 8 4 3 MPPT board 8 4 4 COMM board 8 4 5 BMS board 9 4 6 MOV board 9 4 7 SWITCH board 10 4 8 PARALLEL_COM board 10 5 Troubleshooting 12 5 1 Fault Reference Code 12 5 2 Warning Indicator 13 5 3 Trouble shooting according to fault indication 15 5 4 Quick start 17 6...

Page 2: ... Do not disassemble the unit Take it to a qualified service center when service or repair is required Incorrect re assembly may result in a risk of electric shock or fire 3 To reduce risk of electric shock disconnect all wirings before attempting any maintenance or cleaning Turning off the unit will not reduce this risk 4 CAUTION Only qualified personnel can install this device with battery 5 NEVE...

Page 3: ...000 ES Service manual 3 2 Functional block The SPF 5000 ES series production employ a double conversion topology comprise following functional blocks as shown in figure 2 1 Figure 2 1 function block diagram ...

Page 4: ...he transformer primary and secondary these dots show starts of the winds When Q40 is ON the dot ends of all winds are negative with respect to their no dot ends Output rectifier diodes D51 D52 D60 and D63 are reverse biased and all the output load currents are supplied from storage filter capacitors C78 C75 C79 and C116 The primary coil of the transformer acts as an inductor and stored energy When...

Page 5: ... can charge the battery Figure 3 2 DC TO DC dual converter 3 3 Inverter Full bridge The Inverter circuit Figure 3 3 and PWM control are can both active under battery mode and line mode In line mode the inverter can convert power from gird to BUS for charging The Inverter circuit of SPF 5000 ES series is based on a full bridge circuitry and its output is driven by photo couplers The photo couplers ...

Page 6: ...nual 6 3 4 Buck converter The Buck circuit Figure 3 4 is active only when the line charging the battery When the battery is discharging S1 is ON D1 is reversed cut off L1 is used as a filter inductor Figure 3 4 Buck topology ...

Page 7: ...MPPT 530 SK00010XX 1 4 COMM 530 SK00035XX 1 5 BMS 530 SK00042XX 1 6 MOV 530 00552XX 1 7 SWITCH 530 00555XX 1 8 PARALLEL_COM 530 SK00037XX 1 Note XX in the serial number is the version of the PCB 4 1 Main board The main board consists of SPS DC DC converter inverter Many semiconductors and easy failure components on the board so it should be play more attention when the system is abnormal ...

Page 8: ...MPPT board based on a PWM control mode When the solar source is presented battery charged from solar source MAX charge current is 100A if solar panel with enough energy 4 4 COMM board This inverter charger is equipped with a communication port to communicate with a PC with corresponding software Please use supplied communication cable to connect to communication port of this inverter and USB port ...

Page 9: ...SPF 5000 ES Service manual 9 4 5 BMS board The BMS board is designed for relays protection 4 6 MOV board The function of this board is to prevent lightning strikes ...

Page 10: ...SPF 5000 ES Service manual 10 4 7 SWITCH board This board includes four functional keys 4 8 PARALLEL_COM board For parallel communication ...

Page 11: ...SPF 5000 ES Service manual 11 ...

Page 12: ...eplace the failure components d Static checking e Power up checking f Test after repair Following section will help service person to solve most of problem 5 1 Fault Reference Code Fault Code Fault Event Icon on 01 Fan is locked 02 Over temperature 03 Battery voltage is too high 04 Battery voltage is too low 05 Output short circuited 06 Output voltage is too high 07 Overload time out 08 Bus voltag...

Page 13: ...igh 62 Internal communication error 80 CAN fault 81 Host loss 5 2 Warning Indicator Warning Code Warning Event Audible Alarm Icon flashing 01 Fan is locked when inverter is on Beep 3 times every second 02 Over temperature Beep once every second 03 Battery is over charged Beep once every second 04 Low battery Beep once every second 07 Overload Beep once every 0 5 second 10 Output power derating Bee...

Page 14: ...ct No beep 20 BMS communication error Beep once every second 21 PV power insufficient Beep once every second 22 Parallel forbidden without battery Beep once every second 25 Parallel inverters capacity different Beep once every second 33 BMS communication loss Beep once every second 34 Cell over voltage Beep once every second 35 Cell under voltage Beep once every second 36 Total over voltage Beep o...

Page 15: ...in battery mode Input voltage is displayed as 0 on the LCD and green LED is flashing Input protector is tripped Check if AC breaker is tripped and AC wiring is connected well Green LED is flashing Insufficient quality of AC power Shore or Generator 1 Check if AC wires are too thin and or too long 2 Check if generator if applied is working well or check if input voltage range setting is correct UPS...

Page 16: ...pair center Fault code 09 Fault code 51 Fault code 52 Fault code 53 Fault code 55 Fault code 57 Fault code 56 Battery is disconnected 1 Check if battery wires are connected well 2 If the problem still exists please return to repair center Fault code 60 Negative power fault 1 Check whether the AC output connects to the Grid 2 Check whether the output voltage setting in program 8 of all the Inverter...

Page 17: ... D25 D26 Resistance 240K short or open Diode position VPN 0 562V REF 0 or OL Driver NPN PNP Q21 Q26 Q30 Q31 Resistance 11 9K PIN1 2 short or open Q23 Q27 Q32 Q33 11 9K PIN1 3 short or open Driver IC KA3525 Resistance 400K PIN14 PIN13 12 PIN12 PIN13 11 short or open IGBT STGWT80H65DFB Q64 Q66 Q67 Q68 Resistance Diode position 60K CE short or open VEC 0 346V REF 0 or OL 100K GC short or open 47ohm G...

Page 18: ...tion VPN 0 357V REF 0 or OL MOSFET IRF640NPBF Q40 Resistance Diode position 400K DS short or open VSD 0 512V REF 0 or OL 0 7M GD short or open 14K GS short or open Resistance R176 R180 Resistance 10 ohm short or open MPPT IGBT FGH60N60SMD Q1 Q2 Resistance Diode position 20K CE short or open VEC 0 358V REF 0 or OL 180K GC short or open 24 9K GE short or open Diode APT30DQ60BG D1 Resistance 180K sho...

Page 19: ... 7M GD short or open 14K GS short or open Diode STTH310SSM D9 D18 Resistance 50K short or open Diode position VPN 0 47 REF 0 or OL Resistance R48 R65 Resistance 22 ohm short or open Resistance R51 R69 Resistance 0 33ohm short or open ...

Page 20: ...SPF 5000 ES Service manual 20 6 Test Step ...

Page 21: ...SPF 5000 ES Service manual 21 7 Key components location 7 1 Main board Figure 5 4 1 DC DC Converter MOSFET Figure 5 4 2 DC DC Converter MOSFET ...

Page 22: ...SPF 5000 ES Service manual 22 Figure 5 4 3 DC DC Converter IGBT Figure 5 4 4 DC DC Converter IGBT ...

Page 23: ...SPF 5000 ES Service manual 23 Figure 5 4 5 DC AC Inverter IGBT Figure 5 4 6 DC AC Inverter IGBT ...

Page 24: ...SPF 5000 ES Service manual 24 Figure 5 4 7 S P S MOSFET 7 2 MPPT board Figure 5 4 8 MPPT MOSFET Diode ...

Page 25: ...SPF 5000 ES Service manual 25 Figure 5 4 9 MPPT MOSFET Diode ...

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