Growatt SPF-3500ES, Troubleshooting Manual

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: ...5 2 05 fault 5 3 06 fault 6 4 07 fault 9 5 08fault 10 6 09 fault 11 7 51 fault 18 8 52fault 19 9 53 fault 20 10 56fault 22 11 58 Fault 23 12 60 fault 25 13 62fault 26 14 80 fault 26 15 81 fault 28 16...

Page 3: ...ning 38 8 13 warning 38 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 Atten...

Page 4: ...WPV SPF 3500ES SPF 5000ES High Frequency inverter means that the frequency of mosfet swiching on and off is pretty high in usual it can reach 40KHZ Maintenance tool list Maintenance Tool Computer OS W...

Page 5: ...2 Multimeter Fluke 179C USB Cable Used to upgrade or monitor the inverter ISP tool Upgrade software PV Keeper Monitor the inverter real time data cross screwdriver Used to uncover the inverter...

Page 6: ...rd 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...

Page 7: ...4 COMM Board in charge of Datalogger Communication Switch Board FAN...

Page 8: ...nd load 2 Press UP and Down at the same time for 3 seconds and type 111 then press Enter 3 Select battery page S means reduce the voltage A means increase the voltage 4 For example LCD displays 53V an...

Page 9: ...till 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 Malfunctio...

Page 10: ...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 O...

Page 11: ...ltimeter Fig 5 Diode Position Fig 6 IGBT b 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 dis...

Page 12: ...Solution After the check of load try to replace control board or mainboard Malfunction Reason There are 2 conditions that will trigger the fault a Load power has been greater than 112 and lower than...

Page 13: ...can request it from Sacolar c After the upgrading if 08fault still occurs frequently like once several hours most probably mainbard or control board has some trouble d Try to replace control board or...

Page 14: ...dep and assist them to analyze it further 6 09 fault Testing method a Just connect battery into the inverter Don t connect Utility input and PV input into the inverter b If the inverter still shows 0...

Page 15: ...used 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...

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Page 19: ...r usual client suggest replacing mainboard For professional client suggest deliverying some mosfets or Optocouplers to them and try to repair it Repairing Method a please kindly turn to diode position...

Page 20: ...17 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: ...zero it means the mosfet has short circuit 7 51 fault 51fault means over current fault Most of time it is caused by MOV board inside inverter Mov board is used for SPD and prevent surge from utility i...

Page 22: ...a Restart the battery and inverter b Try to disconnect all load from inverter Then observe if it is normal If YES it may be caused by load c Try to change battery connection type Like ARK battery try...

Page 23: ...le When AC output voltage reaches less than 230V and lasts for 20s It will have the error Solution For usual client suggest replacing mainboard For professional client suggest deliverying some IGBT or...

Page 24: ...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 circ...

Page 25: ...on on battery so that it will shut down the mosfet inside the battery then battery connection is open For lithium ion battery ONLY US2 or Li can be used If lead acid battery in usual charging current...

Page 26: ...ect inverter to battery system Switch on the inverter if 58fault still occurs it means DC AC circuit has the trouble When AC output voltage reaches less than 80V and lasts for 200ms It will have the e...

Page 27: ...g 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 a please kindly turn to diod...

Page 28: ...8 of all the Inverters in parallel are the same c Check whether the current sharing cables are connected well in the same parallel phases Fig 6 Current sharing cables d Check whether all the neutral w...

Page 29: ...ire is loose c If above all are normal pleases try to swap control board from normal inverter Based on the experience 62fault is often caused by control board But sometimes mainboard that is damaged m...

Page 30: ...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 Solution Try to s...

Page 31: ...ly check if parallel cable is connected sufficiently and restart the inverter and see if it can become normal c Secondly after the check of parallel cable if still abnormal try to replace parallel cab...

Page 32: ...xclusive 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 16 No fault on...

Page 33: ...board may be damaged 4 You can uncover the inverter and confirm it further In usual most probably mosfets or IGBT on mainboard are broken About how to test mosfet or IGBT please read 09fault 53fault S...

Page 34: ...d it is not solved basically b If fans are not working 1 Check CN10 CN11 fan interface on mainboard Confirm if they are connected well 2 try to swap fans from normal inverter Then observe if fans can...

Page 35: ...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 Connect your USB w...

Page 36: ...33 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: ...34 If it fails Please kindly check the port on device manager or your USB wire 3 Type QTPR in white textbox...

Page 38: ...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...

Page 39: ...ed by too high Bulk Charging voltage or floating voltage 3 For Lithium ion battery please confirm if lithium ion battery can communicate with inverter if the inverter is communicating with battery and...

Page 40: ...u should doubt if it is caused by broken sample circuit on mainboard or control board Solution Based on the experience most of time it is caused by lithium ion battery communication issue So try to so...

Page 41: ...from inverter then observe if inverter has normal AC output 230V and no 10 again f If still abnormal most of time it is caused by control board or mainboard Solution If it is not caused by load you ca...

Page 42: ...installed correctly c Check if utility input breaker is ok Solution Try to replace utility input connection wire or breaker Part III Battery Communication 1 Pylontech Battery a 485 Communication 1 Fo...

Page 43: ...S port on inverter 485 port on inverter is prepared for future use b CAN Communication 1 For CAN communication Please set Li 05 on 5th option L52 on 36th option On battery dip switch please set 1000 O...

Page 44: ...41 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: ...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 th...

Page 46: ...43 2 CAN Pinout...

Page 47: ...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 Attention The difference between ne...

Page 48: ...5 and CAN function while old one just has 485 function SPF 5000TL HVM assembles with old com board so it just has 485 communication 3 The red dip switch is used for LCD Display for low frequency inver...

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 H...