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6.2 Energy storage system warnings and
troubleshooting
6.2.1 Fault codes
In case the AEG energy storage system incurs into an
issue, this will be signaled by a warning on the LCD
screen. Please find below the fault codes and the
description of the associated issue. Should the issue
not be cleared after restarting the system, please
contact your installer / dealer.
Fault
Fault information
code
F01
DC input polarity reverse fault
F02
DC insulation impedance permanent fault
F03
DC leakage current fault
F04
Ground fault GFID (battery end grounding)
F05
Read the memory error
F06
Write the memory error
F07
GFDI Blown Fuse
F08
GFDI Grounding contact failure
F09
IGBT damage by excessive drop voltage
F10
Auxiliary switch power supply failure
F11
AC main contactor errors
F12
AC auxiliary contactor errors
F13
F14
DC firmware overcurrent malfunction
F15
AC firmware overcurrent malfunction
F16
GFCI(RCD) AC leakage current fault
F17
Three phase current, over-current fault
F18
AC over current fault of hardware
F19
All hardware failure synthesis
F20
DC over current fault of the hardware
F21
DC leakage flow fault
F22
Crash stop (if there is a stop button)
F23
AC leakage current is transient over current
F24
DC insulation impedance failure
F25
DC reverse irrigation failure
AEG LOW VOLTAGE ENERGY STORAGE UNIT (8 KWH / 12 KWH) INSTALLATION MANUAL
F26
The DC bus is unbalanced
F27
DC end insulation error
F28
Inverter 1 DC high fault
F29
AC load switch failure
F30
AC main contactor failure
F31
AC secondary contactor failure
F32
Inverter 2 DC high fault
F33
AC Current over current
F34
AC Overload
F35
AC Grid Unavailable fault
F36
AC grid phase error
F37
AC three-phase voltage imbalance failure
F38
AC three phase current unbalanced failure
F39
AC Over current failure
F40
DC Over current failure
F41
AC Line W,U over voltage
F42
AC Line W,U low voltage
F43
AC Line W, V over voltage
F44
AC Line W, V low voltage
F45
AC Line U, V over voltage
F46
AC Line U, V low voltage
F47
AC Over frequency
F48
AC Low frequency
F49
Phase U grid current DC current high
F50
Phase V grid current DC current high
F51
Phase W grid current DC current high
F52
AC inductor A, Phase current DC current high
F53
AC inductor B, Phase current DC current high
F54
AC inductor C, Phase current DC current high
F55
DC bus voltage is too high
F56
DC bus voltage is too Low
F57
AC reverse irrigation
F58
AC grid U over current
F59
AC grid V over current
F60
AC grid W over current
28
EN
PD202107 V1-21
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