Growatt SPF-3500ES Troubleshooting Manual
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Growatt SPF-3500ES Troubleshooting Manual

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Troubleshooting Guide
for Growatt Off Grid High Frequency
Inverters
(Ver1.1)
2021-12-21
Version
Date
Note
Ver1.1
2021.12.21
First draft by Amos
Ver1.1

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Summary of Contents for Growatt SPF-3500ES

  • Page 1 Troubleshooting Guide for Growatt Off Grid High Frequency Inverters (Ver1.1) 2021-12-21 Version Date Note Ver1.1 2021.12.21 First draft by Amos Ver1.1...

  • Page 2: Table Of Contents

    目录 General..........................1 Maintenance tool list ......................1 Inverter System introduction: ................... 3 SPF 3500-5000 ES SPF 5000TL HVM WPV Fault condition and Troubleshooting ....5 Part I. Fault ............................5 1 03fault ............................. 5 2 05 fault ............................ 5 3 06 fault ............................
  • Page 3 9 15,16 warning ......................... 39 Part III. Battery Communication ......................39 1 Pylontech Battery ......................... 39 2 Dyness Battery ........................41 3 Hope Battery ........................42 4 Growatt Battery ........................44 5 EVE Battery.......................... 44 6 Shoto Battery ........................44 Attention: ........................44...

  • Page 4: General

    General This document is applicable for Off Grid High Frequency inverters, including SPF 5000TL HVM WPV, SPF 3500ES, SPF 5000ES SPF 5000ES SPF 5000TL HVM WPV High Frequency inverter means that the frequency of mosfet swiching on and off is pretty high, in usual, it can reach 40KHZ.
  • Page 5 Multimeter Fluke 179C Used to upgrade or monitor the USB Cable inverter ISP tool Upgrade software PV Keeper Monitor the inverter real time data cross screwdriver Used to uncover the inverter...

  • Page 6: Inverter System Introduction

    Inverter System introduction: SPF 3500-5000 ES System Introduction Mainboard ,Including DC-DC Circuit, DC-AC Circuit, SPS Circuit, mainly used to conver 48V DC to 230V AC MPPT Board, Including SPS Circuit, Boost Circuit, mainly used to conver PV input voltage into almost 400V BUS voltage Control Board, mainly used to form PWM wave to drive MOFET and IGBT...
  • Page 7 COMM Board in charge of Datalogger Communication Switch Board...

  • Page 8: Spf 3500-5000 Es Spf 5000Tl Hvm Wpv Fault Condition And Troubleshooting

    SPF 3500-5000 ES SPF 5000TL HVM WPV Fault condition and Troubleshooting Part I. Fault 1 03fault 03fault means battery voltage is too high. Testing method: a. Firstly ,disconnect battery from inverter and test the battery voltage separately b. If battery voltage is normal, then connect battery into inverter and check battery voltage on LCD. Try to adjust to the battery on LCD via inverter battery voltage setting.

  • Page 9: 06 Fault

    Output Short Circuit Testing method: 1. Disconnect load from inverter, then check if 05fault will disappear. 2. If 05fault still occurs, Switch off inverter until black screen, then test the continuity on AC output. If beeping, there is short circuit inside the inverter. Solution: Uncover the inverter and check inside.
  • Page 10 Just connect the inverter to battery system, Switch on the inverter, if 06 still occurs, it means DC-AC circuit has the trouble. When AC output voltage reaches 280V and lasts for 200ms. It will have the error. Solution: For usual client, suggest replacing mainboard For professional client, suggest deliverying some IGBT or Optocouplers to them and try to repair it.
  • Page 11 please kindly turn to diode position on multimeter. Fig.5 Diode Position Fig.6 IGBT Every IGBT has 3 pins ( G, C, E ). Put black tong of multimeter on C pin and Put Red tong of multimeter on E pin. 0.38-0.7V on multimeter is normal.

  • Page 12: 07 Fault

    4 07 fault 07fault means over load time out. Testing method: a. Try to disconnect the load from inverter, then observe if inverter has normal AC output 230V and no 07fault again. b. If still abnormal, most of time it is caused by control board. Solution: After the check of load, try to replace control board or mainboard Malfunction Reason:...

  • Page 13: 08Fault

    5 08fault 08fault means BUS voltage too high. It is caused by interaction of inverter and battery. Fig.6 08fault Testing method: a. Try to restart the inverter b. Try to upgrade special firmware for 08fault. You can request it from Sacolar. c.

  • Page 14: 09 Fault

    Based on the experience, if it happens frequently, DC-DC circuit on mainboard or control board has some issues. The reason is complex, research dep. Is analyzing it. When meeting these faulty ones, you can report them to research dep. and assist them to analyze it further. 6 09 fault Testing method: a.
  • Page 15 b. Most of time, it is caused by blown MOSFETS or Driving Circit of MOSFET on mainboard You can test 16 mosfets on DC-DC circuit via multimeter( most of time, the 09fault is caused by these mosfets. If good luck, you can replace mosfet and repair it well.)
  • Page 19 Solution: For usual client, suggest replacing mainboard For professional client, suggest deliverying some mosfets or Optocouplers to them and try to repair it. Repairing Method: please kindly turn to diode position on multimeter.
  • Page 20 Fig.1 Diode Posion b. You can test these mosfets via multimeter(most of time, the 09fault is caused by these mosfets. If good luck, you can replace mosfet and repair it well. Fig.2 MOSFET Label...

  • Page 21: 51 Fault

    Fig.3 MOSFET Testing Every mosfet has 3 pins ( G, D, S ). Put black tong of multimeter on D pin and Put Red tong of multimeter on S pin. 0.38-0.7V on multimeter is normal. If multimeter display zero, it means the mosfet has short circuit.

  • Page 22: 52Fault

    Solution: Replace MOV board. Material code: SKB700.0001101LS0 Malfunction Reason: Lighting strike or Utility input surge may damage MOV board. So replacing MOV board may solve the issue. 8 52fault 52fault means battery voltage is too low. Testing method: a. Restart the battery and inverter b.

  • Page 23: 53 Fault

    battery voltage. Then 52fault will occur 9 53 fault Fig.7 53fault Testing method: Just connect the inverter to battery system, Switch on the inverter, if 53fault still occurs, it means DC-AC circuit has the trouble. When AC output voltage reaches less than 230V and lasts for 20s. It will have the error.
  • Page 24 Fig.5 Diode Position Every IGBT has 3 pins ( G, C, E ). Put black tong of multimeter on C pin and Put Red tong of multimeter on E pin. 0.38-0.7V on multimeter is normal. If multimeter display zero, it means the IGBT has short circuit. Replace broken IGBT.

  • Page 25: 56Fault

    10 56fault 56fault means battery connection is open Testing method: a. Test the real battery voltage via multimeter b. if battery voltage is normal: 1) please confirm the battery type, for lithium-ion battery , please check 2nd and 5th option on inverter.

  • Page 26: 58 Fault

    replace fuse or mainboard. Malfunction Reason: Incorrect charging current on 2 option ,5 option or broken fuse on mainboard 11 58 Fault Fig.5 58fault Testing method: Just connect inverter to battery system, Switch on the inverter, if 58fault still occurs, it means DC-AC circuit has the trouble.
  • Page 27 For professional client, suggest deliverying some IGBT or Optocouplers to them and try to repair it. Malfunction Reason: Most of time, it is caused by DC-AC Circuit. Especially, IGBT, driving circuit etc. Repairing Method: please kindly turn to diode position on multimeter. Fig.5 Diode Position...

  • Page 28: 60 Fault

    Every IGBT has 3 pins ( G, C, E ). Put black tong of multimeter on C pin and Put Red tong of multimeter on E pin. 0.38-0.7V on multimeter is normal. If multimeter display zero, it means the IGBT has short circuit. Replace broken IGBT 12 60 fault Negative power fault means energy flows from load into load into inverter.

  • Page 29: 62Fault

    13 62fault Fig.5 62fault Testing method: Restart the inverter, check if 62fault will disappear. After restarting it, if it is still not solved. Please uncover the inverter, check if control board is plugged into mainboard sufficiently and connection wire is loose. If above all are normal, pleases try to swap control board from normal inverter.
  • Page 30 Secondly, after the check of parallel cable, if still abnormal, try to replace parallel cable a. Thirdly, if above all methods can’t solve the issue, try to make inverters run separately, then observe if 80fault will disappear. Try to replace parallel board inside the inverter. Fig.5 Parallel board Fig.6 Parrallel board at the bottom.

  • Page 31: 81 Fault

    The inverter will alarm about 80 error when on parallel mode, host can’t be detected for more than 1 seconds. 15 81 fault 81 fault means Host loss, it just happens on parallel mode. Testing method: b. Firstly, check if parallel cable is connected sufficiently and restart the inverter, and see if it can become normal.

  • Page 32: No Fault On Lcd, But Board Really Has The Trouble

    Fig.6 Parrallel board at the bottom. Solution: Try to swap parallel cable or parallel board from normal inverter, you can use exclusive method and confirm which part has the malfunction. Malfunction Reason: The inverter will alarm about 81 error when on parallel mode, host can’t be detected for more than 8 seconds.

  • Page 33: Part Ii. Warning

    Testing method: 1. Make sure that saving mode on 4th option is disabled. Or inverter won’t have 230V AC output. It will affect your judgement. 2. Check if 1-21th options are reasonable, PV and battery side is normal. 3. After the confirmation, you can doubt that board may be damaged. 4.

  • Page 34: 01Warning

    1 01warning 01 warning is related with fans. Testing method: 1. Check if 2 fans inside the inverter are working. a. If fans are working, you can upgrade 01warning firmware to clear it. Please note that this method is just to hide 01warning and it is not solved basically. b.
  • Page 35 Testing method: a. For SPF 3500ES, 5000ES, SPF 5000TL HVM WPV, Use Comtool to read temperature vaule. Solution: Based on the abnormal temperature value, you can confirm which board or temperature sensor has the trouble. Then replace temperature sensor or mainboard or MPPT board. 1.
  • Page 36 Device Manager Below: If you don’t know how to check the com port on Device manager, please search it on the Google. 3 Open Com...
  • Page 37 If it fails, Please kindly check the port on device manager or your USB wire. 3. Type QTPR in white textbox...
  • Page 38 4. Data Display (+024.8 +022.5 +024.8 +020.0 +000.0 +000.0 +000.0 +000.0) The fourth data +20.0 is the MPPT temperature sensor value. The previous 3 data +024.8 +022.5 +024.8 is the Mainboard temperature sensor value. The +000.0 +000.0 +000.0 +000.0 means that the...

  • Page 39: 03 Warning

    inverter has the 02 warning /fault, it will record the last value) 5. When you confirm the issue, you can choose to upgrade it or change board so that you can solve the issue. Malfunction Reason: 1. Temperature sensors have the trouble. 2.

  • Page 40: 20 Warning

    1. Please confirm the battery type, lead acid battery or lithium-ion battery 2. If lead acid battery, please test the real battery voltage via multimeter. Too low battery voltage will cause this. 3. If lithium-ion battery, confirm if battery brand can communicate with inverter, if yes, it may be caused by abnormal communication.So check communication between inverter and battery.
  • Page 41 c. Try to disconnect the load from inverter, then observe if inverter has normal AC output 230V and no 07fault again. d. If still abnormal, most of time it is caused by control board. Solution: Reduce the load Try to replace control board 7 10 warning 10warning means output power degrading Testing method:...
  • Page 42 9 15,16 warning 15,16 warning are related with parallel input utility. Testing method: b. Check if connection wire of utility input is installed correctly. c. Check if utility input breaker is ok Solution: Try to replace utility input connection wire or breaker. Part III.
  • Page 43 12 485 wire should be plugged into BMS port on inverter. 485 port on inverter is prepared for future use. b. CAN Communication For CAN communication, Please set Li 05 on 5th option, L52 on 36th option. On battery dip switch, please set 1000(ON OFF OFF OFF) CAN Communication Pinout...
  • Page 44 Both Battery and inverter side are same. 2 Dyness Battery a. 485 Communication 1) communication protocol type： L01 ; Battery Dip Switch：0110(off on on off) 2) 485 Pinout...
  • Page 45 3 Hope Battery Please note that hope battery only has CAN communication. And hope battery just can work when BMS communicaton with inverter is normal. Or it will shut off automatically. CAN Communication 1) communication protocol type： L51 ; For single battery： You must use crystal plug to connect them into Link-in and Link-out separately, or battery can't work.
  • Page 46 2) CAN Pinout...
  • Page 47 Both inverter and battery side are the same 4 Growatt Battery Communication protocol type：L51 5 EVE Battery Model GBLI5010, can’t be used in parallel Communication protocol type：L01 6 Shoto Battery Model: SDA10-48100, can’t be used in parallel Communication protocol type：L07...
  • Page 48 2. Newest com board has both 485 and CAN function , while old one just has 485 function. SPF 5000TL HVM assembles with old com board, so it just has 485 communication. The red dip switch is used for LCD Display for low frequency inverter, it can prolong the length of...
  • Page 49 connection wire. 4. Several inverters in parallel, if newest com board is assembled with each inverter, you can connect communication cable from battery to one of inverters and don’t need communication Hub.

This manual is also suitable for:

Spf-5000es

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