Growatt SPF-3500ES User manual

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

目录
General............................................................................................................................1
Maintenance tool list........................................................................................................1
Inverter System introduction:...........................................................................................3
SPF3500-5000 ES SPF5000TL HVMWPV Fault condition and Troubleshooting...............5
Part I. Fault........................................................................................................................................5
1 03fault.....................................................................................................................................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 No fault on LCD, but board really has the trouble ...................................................................... 29
Part II. Warning................................................................................................................................ 30
1 01warning.............................................................................................................................. 31
2 02 warning............................................................................................................................. 31
3 03 warning............................................................................................................................. 36
4 04 warning............................................................................................................................. 36
5 20 warning............................................................................................................................. 37
6 07 warning............................................................................................................................. 37

7 10 warning............................................................................................................................. 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
Attention:...................................................................................................................... 44

1
General
This document is applicable for Off Grid High Frequency inverters, including
SPF 5000TLHVM 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 Win10
Used to upgrade the inverter or
monitor the inverter via PVkeeper
SPF 5000ES
SPF 5000TL HVM WPV

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

3
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, mainlyused to converPVinput voltage
into almost 400V BUS voltage
Control Board, mainlyused to form PWM wave
to drive MOFET and IGBT

4
COMM Board in charge of Datalogger
Communication
Switch Board
FAN

5
SPF 3500-5000 ES SPF 5000TL HVM WPV Fault condition and
Troubleshooting
Part I. Fault
1 03fault
03faultmeans 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.
Method:
1. Only connect battery to inverter( Don’t connect to utility, PV system and load )
2. Press UP and Down at the same time for 3 seconds and type 111 , then pressEnter.
3. Select battery page , S means reduce the voltage, A means increase the voltage.
4. For example, LCD displays 53V and multimeter displays50V, then type 3V on S state. And press Enter
to save it.
5. If above all still can’t solve the issue, it may be hardware issue. Try to replace mainboard.
Solution:
If real battery voltage is normal, while, battery voltage on LCD abnormal, you should doubt if battery
sample circuit has some trouble. Suggest replacing mainboard.
Malfunction Reason:
Battery voltage sample circuit on mainboard may have some trouble. You can try to uncover the inverter
and check inside.
2 05 fault

6
Output Short Circuit
Testing method:
1. Disconnect load frominverter, 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.
Malfunction Reason:
Most of time, it is caused by damaged mosfets or IGBT.
3 06 fault
Fig.2 06fault on inverter display
Testing method:

7
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 themand try to repair it.
Malfuntion Reason:
Fig.3 DC-AC IGBT
Fig.4 DC-AC IGBT position
Repairing Method:

8
a. please kindly turn to diode position on multimeter.
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.
0.38-0.7Von multimeter is normal. If multimeter display zero, it means the IGBT has shortcircuit.

9
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 controlboard.
Solution:
After the check of load, try to replace controlboard or mainboard
Malfunction Reason:
There are 2 conditions that will trigger the fault:
a. Load power has been greater than 112%and lower than 150% and lasted for 10s.
b. Load power has been greater than 150%and lasted for 2s.
One control board had been returned back from client and found one resistor on control board was
damaged so that it cause 07 fault.
Fig.6 07fault control board

10
5 08fault
08faultmeans 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 specialfirmware for 08fault. You can requestit 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 controlboard or mainboard
Solution:
Replace controlboard or mainboard
Malfunction Reason:
08 error will occur when BUS voltage is higher than 510V and lasts for 20.8ms or BUS voltage reaches
higher than 500V and lasts for 1s.

11
Based on the experience, if ithappens 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. Just connect battery into the inverter. Don’t connect Utility input and PV input into the inverter.
b. If the inverter still shows “09 Error”, check MPPT board firstly, you can put MPPT board into normal
inverter and confirm if it is ok.
c. If MPPT board is ok, you can replace mainboard directly.
Malfunction Reason:
a. Mosfets or Diodes on MPPT board may be damaged.

12
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.)

13

14

15

16
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:
a. please kindly turn to diode position on multimeter.

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