Table of Contents
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General information ........................................................................................................................................................ 2
1.
1.1
Getting start ......................................................................................................................................................... 2
Important safety instructions ............................................................................................................................. 2
1.2
Functional block .............................................................................................................................................................. 3
2.
3.
Working principle of the major functional block .......................................................................................................... 4
Switch Power Supply .......................................................................................................................................... 4
3.1
DC TO DC dual converter (Full bridge converter) .......................................................................................... 5
3.2
3.3
Inverter (Full bridge) ........................................................................................................................................... 5
Buck converter .................................................................................................................................................... 6
3.4
Functional explanations for each PCB ........................................................................................................................ 7
4.
4.1
Main board ........................................................................................................................................................... 7
CNTL board ......................................................................................................................................................... 8
4.2
MPPT board ......................................................................................................................................................... 8
4.3
4.4
COMM board ....................................................................................................................................................... 8
BMS board ........................................................................................................................................................... 9
4.5
MOV board ........................................................................................................................................................... 9
4.6
4.7
SWITCH board .................................................................................................................................................. 10
PARALLEL_COM board................................................................................................................................ 10
4.8
Troubleshooting ............................................................................................................................................................. 12
5.
5.1
Fault Reference Code ...................................................................................................................................... 12
Warning Indicator .............................................................................................................................................. 13
5.2
Trouble shooting according to fault indication .............................................................................................. 15
5.3
5.4
Quick start .......................................................................................................................................................... 17
Test Step ........................................................................................................................................................................ 20
6.
Key components location ............................................................................................................................................ 21
7.
7.1
Main board ......................................................................................................................................................... 21
MPPT board ....................................................................................................................................................... 24
7.2
Service manual
Table of contents
SPF 5000 ES Service manual
1
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Table of Contents
Troubleshooting
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Summary of Contents for Growatt SPF 5000 ES
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Page 1: Table Of Contents
SPF 5000 ES Service manual Service manual Table of contents General information ................................ 2 Getting start ................................. 2 Important safety instructions ..........................2 Functional block ................................3 Working principle of the major functional block ......................4 Switch Power Supply ............................4 DC TO DC dual converter (Full bridge converter) .................. -
Page 2: General Information
1. General information 1.1 Getting start This manual is for SPF 5000 ES series, it can help service personal perform the basic maintenance and repair service. This manual focus on the service, so you should get the basic operation of the Inverter/Charger from the user manual, and make sure you had read and understood user manual before you use this service manual. -
Page 3: Functional Block
SPF 5000 ES Service manual 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: Working Principle Of The Major Functional Block
SPF 5000 ES Service manual 3. Working principle of the major functional block 3.1 Switch Power Supply The switch power supply (SPS) supplies DC power for Inverter/Charger operation. The input voltage of the SPS is the battery or AC/PV Charger output voltage. -
Page 5: Dc To Dc Dual Converter (Full Bridge Converter)
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. -
Page 6: Buck Converter
SPF 5000 ES Service manual 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. -
Page 7: Functional Explanations For Each Pcb
SPF 5000 ES Service manual 4. Functional explanations for each PCB Item Series name PCB name PCB serial number Quantity Remark Main 530.SK00008XX CNTL 530.SK00009XX MPPT 530.SK00010XX COMM 530.SK00035XX SPF 5000 ES 530.SK00042XX 530.00552XX SWITCH 530.00555XX PARALLEL_COM 530.SK00037XX Note: “XX” in the serial number is the version of the PCB. -
Page 8: Cntl Board
SPF 5000 ES Service manual 4.2 CNTL board The CNTL board consists of AD sample, MCU control and communication module. It control the other module work orderly. 4.3 MPPT board The Maximum Power Point Tracking (MPPT) board based on a PWM control mode .When the solar source is presented, battery charged from solar source;... -
Page 9: Bms Board
SPF 5000 ES Service manual 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: Switch Board
SPF 5000 ES Service manual 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...
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Page 12: Troubleshooting
SPF 5000 ES Service manual 5. Troubleshooting This section describes how to find the trouble when the system is abnormal. We suggest you can follow the service procedure: Check the system status by LED and LCD display, the sounds of buzzer. -
Page 13: Warning Indicator
SPF 5000 ES Service manual Inverter soft start failed Over DC voltage in AC output Battery connection is open Current sensor failed Output voltage is too low Negative power fault PV voltage is too high Internal communication error CAN fault Host loss 5.2 Warning Indicator... - Page 14 SPF 5000 ES Service manual Solar charger stops due to low Beep once every second battery Solar charger stops due to high PV Beep once every second voltage Solar charger stops due Beep once every second to overload Beep once every second...
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Page 15: Trouble Shooting According To Fault Indication
SPF 5000 ES Service manual Mosfet over temperature Beep once every second Battery over temperature Beep once every second Battery under temperature Beep once every second System shut down Beep once every second 5.3 Trouble shooting according to fault indication... - Page 16 SPF 5000 ES Service manual Check whether the air flow of Internal Inverter component over the unit is blocked or whether Fault code 02. 100° C the ambient temperature is too high. Battery is over charged. Return to repair center.
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Page 17: Quick Start
SPF 5000 ES Service manual 5.4 Quick start Before any detail check of the system, please check the components listed as follow table. NOTE: It is important to check the capacitor’s voltage on the board lower than the safety voltage before any check action. - Page 18 SPF 5000 ES Service manual >60K CE short or open =0.346V REF IGBT Resistance 0 or OL Q5/Q6/Q8/Q10 Diode position (STGWT80H65DFB) 100K short or open 49.9K GE short or open >60K CE short or open DC-AC =0.346V REF 0 or OL...
- Page 19 SPF 5000 ES Service manual 0.7M short or open >14K short or open Resistance short or open Diode D9/D18 (STTH310SSM) Diode position =0.47 REF 0 or OL Resistance R48/R65 Resistance short or open 22 ohm Resistance R51/R69 Resistance short or open...
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Page 20: Test Step
SPF 5000 ES Service manual 6. Test Step... -
Page 21: Key Components Location
SPF 5000 ES Service manual 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 Figure 5.4.3 DC-DC Converter/ IGBT Figure 5.4.4 DC-DC Converter/ IGBT...
- Page 23 SPF 5000 ES Service manual Figure 5.4.5 DC-AC Inverter/ IGBT Figure 5.4.6 DC-AC Inverter/ IGBT...
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Page 24: Mppt Board
SPF 5000 ES Service manual 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 Figure 5.4.9 MPPT /MOSFET& Diode...
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Questions and answers
i have 2x Growatt SPF 5000 ES connected in parallel one is showing error code 1 the other code 2 the than the alarm and flashing error indicators both appear to be functioning normally. pls advise course of action
@William Walker
@Alan Mainwaring
Error code 1 indicates that the fan is locked, and error code 2 indicates over-temperature. Since both units appear to function normally, you should still address these issues to prevent potential problems:
1. For Error Code 1 (Fan Locked):
- Check the fan for any physical obstructions or debris.
- Ensure the fan is properly connected and functioning.
- If needed, replace the fan.
2. For Error Code 2 (Over-Temperature):
- Verify that the unit is in a well-ventilated area.
- Check for dust accumulation or blockages in the cooling system and clean them.
- Ensure the ambient temperature around the unit is within the specified operating range.
Both issues should be addressed promptly to maintain optimal performance and avoid further damage.
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What are the contribution factors that could have might be the root problem of the SPF 5000 Growatt inverter causing the beep signal to display the code 02?
Anderson, I **** quite satisfied with your advices. I'll check through before I can give your any further updates, thanks!
The beep signal displaying code 02 on the Growatt SPF 5000 ES inverter indicates an over-temperature fault. This issue can be caused by:
1. Poor ventilation – The inverter may be overheating due to insufficient airflow.
2. High ambient temperature – Operating in a hot environment can lead to overheating.
3. Heavy load – Running the inverter at high power for extended periods may cause excessive heat buildup.
4. Faulty cooling system – A malfunctioning or blocked cooling fan can prevent proper heat dissipation.
To resolve this issue, ensure the inverter is in a well-ventilated area, check for dust or obstructions in the cooling system, and reduce the load if necessary.
This answer is automatically generated