Deye SUN-5K-SG Istruzioni per il montaggio
5KW Storage Inverter Repairing Guide
SUN-5K-SG Repair Guide
When you see this sub-guide, it indicates that there is a problem
with the machine and needs to open the machine housing for
service. Before opening the Inverter Shell, the inverter's power
cables (including AC and DC) need to be disconnected altogether.
Wait at least 5 minutes before you can proceed.
1. Remove the screws counterclockwise
2. After removing the housing, carefully remove the shell, the housing liquid crystal
plate is connected to the inside of the machine. Take a photo of the interior and record
the location of each harness to prevent errors during installation and send us photos.
5KW Storage Inverter Repairing Guide
Error
F-01
DC input polarity Reverse Fault
Description
Turn off AC switch and DC switch, and check the PV panel DC input polarity.
Error
F-02
DC insulation impedance permanent fault
Description
The impedance between DC+ and ground or DC – and ground is too low, turn off the
AC switch and DC switch, and then check whether the PV panel (aluminum frame) is
grounded well and inverter is grounded well. Open the cover of inverter and then check
the inside ground cable is fixed well on the shell.
Error
F-03
DC leakage current fault
Description
Positive
Negative
5KW Storage Inverter Repairing Guide
The inverter detect the DC leakage current is too high. Firstly, restart the inverter 2 or
3 times. Sometime battery fuse is damage so test the Fuse continuity by multimeter. If
this issue still exists, please contact your installer or Deye service center.
Sometime DC-DC MOSFT damage or may DC-DC power supply have some issue
Error
F-04
Ground fault GFDI
Description
It indicates the solar panel positive pole or negative pole connect to ground. Turn off
the AC switch and DC switch, and then check whether solar panel output terminals
connection is correct.
Error
F-05
Read the memory error
Description
It indicates the failure in reading memory (EEPROM). Restart the inverter, check
whether the error still exists. If still exists, please contact your installer to replace control
board or Deye service center.
Error
F-06
Write the memory error
Description
It indicates the failure in writing memory (EEPROM). Restart the inverter, check
whether the error still exists. If still exists, please contact your installer to replace control
board or Deye service center.
Error
F-07
DC/DC softstart fault
Description
It caused by low bus voltage (below 50V)
1. Check the battery fuse; refer to error code F03
2. Restart and check whether it is in normal;
3. Seek help from us, if can’t go back to normal state
Error
F-08
GFDI grounding touch failure
Description
No related to this machine
Fuse
5KW Storage Inverter Repairing Guide
Error
F-09
IGBT damaged by excessive drop voltage
Description
No related to this machine
Error
F-10
Aux Power Board Failure
Description
check MCU power supply 12V, if not ok then need to test 12-volt power supply circuit
on top board,
Error
F-11
Ac main contactor errors
Description
Restart the inverter, if the error still exists, please contact Deye service.
Error
F-12
AC auxiliary contactor errors
Description
Restart inverter, if the error still exists, please contact Deye service.
Error
F-13
Reserved
Description
It indicates inverter working mode change. Loss of one phase or AC voltage detection
part damage or relays not closed.
1. wait for a minute and check
2. Seek help from us, if can't go back to normal state
5KW Storage Inverter Repairing Guide
Error
F-14
DC firmware over current
Description
No related to this machine
Error
F-15
AC firmware over current
Description
No related to this machine
Error
F-16
GFCI(RCD) AC leakage current fault
Description
No related to this machine
Error
F-17
Three phase current, over-current fault
Description
No related to this machine
Error
F-18
Read the memory error
Description
It indicates the AC current exceeds the Max-current. Firstly, check the connected load
power, make sure its power not exceed the inverter Max- AC output power. If the load
power is within the range, may be something wrong with control card Firmware.
Restart and check weather its normal or abnormal. Please contact Deye service.
check AC sensor or detection circuit on control board or connection wire, sometime grid
relay fault due to over current and sometime load relay contactor stuck by spark (high
current) due to capacitive load (can be fix by connecting anti islanding contactor)
Error
F-19
Read the memory error
Description
No related to this machine
Error
F-20
DC over current fault out of the hardware
Description
check the PV input Polarity ,Check firstly PV module connection and battery
connection, if these connection ok then check PV current sensor or LC current sensor
or its control board detection circuit,
Turn off the DC switch and AC switch and then wait one minute, then turn on the
DC/AC switch again
Also may it can be happen by overload
Error
F-21
DC leakage flow fault
Description
No related to this machine
5KW Storage Inverter Repairing Guide
Error
F-22
Tz_EmergSStop_Fault
Description
Earthing short (check GND (grounding) connection) This failure hardly happens
Error
F-23
AC leakage current is transient over current
Description
check leakage sensor or circuit on top board
Error
F-24
DC insulation impedance failure
Description
PV isolation resistance is too low
1. Check the connection of PV panels and inverter is firmly and correctly;
2. Check whether the PE cable of inverter is connected to ground;
3. Seek help from us, if cannot go back to normal state.
Error
F-25
DC feedback fault
Description
No related to this machine
Error
F-26
The DC busbar is unbalanced
Description
No related to this machine
Error
F-27
DC end insulation error
Description
No related to this machine
Error
F-28
Inverter 1 DC high fault
Description
No related to this machine
Error
F-29
Parallel_CANBus_Fault
Description
This fault only for inverters working in parallel mode
1. Check the parallel setting according to the instructions;
2. Check the connection of the CANBus;
parallel Mode Loss of communication CAN bus
3. Seek help from us if can not go back to normal state
Error
F-30
AC main contactor failure
Description
No related to this machine
Error
F-31
Dc boost soft start
5KW Storage Inverter Repairing Guide
Description
No related to this machine
Error
F-32
Inverter 2 dc high fault
Description
No related to this machine
Error
F-33
AC over current
Description
No related to this machine
Error
F-34
AC current over load
Description
No related to this machine
Error
F-35
No AC grid
Description
No Utility
1. Please confirm grid is lost or not;
2. Check the grid connection is good or not;
3. Check the switch between inverter and grid is on or not;
4. Seek help from us, if can not go back to normal state.
on no battery work mode not have grid then need to check grid detection circuit
Error
F-36
AC grid phase error
Description
No related to this machine
Error
F-37
AC three-phase voltage unbalance failure
Description
No related to this machine
Error
F-38
AC three-phase current unbalance failure
Description
No related to this machine
Error
F-39
AC over current (one cycle)
Description
No related to this machine
Error
F-40
DC over current
Description
No related to this machine
5KW Storage Inverter Repairing Guide
Error
F-41
Parallel_system_Stop
Description
In parallel system, due to other inverter faults.
1. Wait for minutes then check all inverters in this parallel system;
2. If inverter can’t go back to normal state, record fault codes of all inverters, then
seek help from us.
Error
F-42
AC line low voltage
Description
Grid voltage fault
1. Check the AC voltage is in the range of standard voltage in
specification;
2. Check whether grid AC cables are firmly and correctly
connected;
3. Seek help from us, if can not go back to normal state.
Error
F-43
AC Line V,W over voltage
Description
No related to this machine
Error
F-44
AC Line V,W low voltage
Description
No related to this machine
Error
F-45
AC Line U,V over voltage
Description
No related to this machine
Error
F-46/ 49
Bcakup_Battery_Fault
Description
Backup battery fault.
1. Check the battery capacity;
2. Check the connection between batteries and inverters;
3. If inverter can’t go back to normal after load reduction, seek help from us
Error
F-47
AC over frequency
Description
Grid frequency out of range
1. Check the frequency is in the range of specification or not;
2. Check whether AC cables are firmly and correctly connected;
3. Seek help from us, if can not go back to normal state.
Error
F-48
AC lower frequency
Description
5KW Storage Inverter Repairing Guide
Grid frequency out of range
1. Check the frequency is in the range of specification or not;
2. Check whether AC cables are firmly and correctly connected;
3. Seek help from us, if can not go back to normal state.
Error
F-49/ 46
Bcakup_Battery_Fault
Description
Backup battery fault.
1. Check the battery capacity;
2. Check the connection between batteries and inverters;
3. If inverter can’t go back to normal after load reduction, seek help from us
Error
F-50
V phase grid current DC component over current
Description
No related to this machine
Error
F-51
W phase grid current DC component over current
Description
No related to this machine
Error
F-52
AC inductor B, phase current DC current high
Description
No related to this machine
Error
F-53
Read the memory error
Description
No related to this machine
Error
F-54
AC inductor C, phase current DC current high
Description
No related to this machine
Error
F-55
DC busbar voltage is too high
Description
1. Check whether PV voltage is too high or battery voltage is too high.
2. If the PV voltage is too high, reducing the number of PV panel in series
3. Seek help from us, if cannot go back to normal state
Error
F-56
DC busbar voltage is too low
Description
Battery voltage low
1. Check whether battery voltage is too low;
2. If the battery voltage is too low, using PV or grid to charge the battery;
3. Seek help from us, if can not go back to normal state.
5KW Storage Inverter Repairing Guide
Error
F-57
AC reverse irrigation
Description
No related to this machine
Error
F-58
Battery over current
Description
Check the battery discharge current weather is within the allowed range
If the fault still exist seek help from us
Error
F-59
AC grid V over current
Description
No related to this machine
Error
F-60
AC grid W over current
Description
No related to this machine
Error
F-61
Reactor A phase over current
Description
No related to this machine
Error
F-62
Reactor B phase over current
Description
No related to this machine
Error
F-63
ARC fault
Description
1.ARC fault detection is only for US market;
2. Check PV module cable connection and clear the fault;
3. Seek help from us, if can not go back to normal state.
Error
F-64
Heat sink high temperature failure
Description
Heat sink temperature is too high
1. Check whether the work environment temperature is too high;
2. Turn off the inverter for 10mins and restart;
3. Seek help from us, if can not go back to normal state
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