The Solar
Town
Series Inverter
24
Grid Fault
Grid Voltage or Frequency out of range
Boost Fault
Boost(DC/DC) Power Stage fault
PV Over Voltage
PV panel Voltage too high
Relay Fault
The AC relay failed
DCINJ High
Output Current DC Offset too high
RCD Fault
The RCD measurement mechanism has failed during the wake-up
test phase.
Ov Temp
Over temperature
DC Bus High
DC Bus Voltage Fault
Grid Lock Failed
Grid Phase Lock failed
CPU Commu Failed
CPU Communication Fault
Aux Power Fault
+12V Power fault
ISO Fault
Isolation Fault
Inv Fault
Inverter(DC/AC) Power Stage fault
Boost Ov Curr
Boost (DC/DC) Power Stage over current
INVOvCurr
Inverter(DC/AC) Power Stage over current
PVPowerLow
PV Power too low
No.
Bit0~ Bit15
（
1
：
valid status
；
0
：
invalid status
）
Code
English
Chinese
中文
1
Bit00
DC Inversed Failure
直流输入极性接反故障
F001
Bit01
DC_Insulation_Failure
直流绝缘阻抗永久故障
F002
Bit02
GFDI_Failure
直流漏电流故障
F003
Bit03
GFDI_Ground_Failure
GFDI
（电池一端接地）接地故障
F004
Bit04
EEPROM_Read_Failure
读存储器错误
F005
Bit05
EEPROM_Write_Failure
写存储器错误
F006
Bit06
GFDI_Fuse_Failure
GFDI
保险丝熔断
F007
Bit07
GFDI_Relay_Failure
GFDI
（电池一端接地）接地接触
器故障
F008
Bit08
IGBT_Failure
IGBT
导通压降过大导致的
IGBT
故障
F009
Bit09
AuxPowerBoard_Failure
辅助开关电源故障（辅助开关电
源主反馈直流电压过压或者欠
压）
F010
Bit10
AC_MainContactor_Failure
交流主接触器错误
（
AC_MainContactor_Fault
连续
出现
3
次时报错误）
F011
Bit11
AC_SlaveContactor_Failure
交流辅接触器错误
（
AC_SlaveContactor_ Fault
故障
连续出现
3
次）
F012
Bit12
Reseverd
预留
F013
Bit13
DC_OverCurr_Failure
直流软件过流故障
F014
Bit14
AC_OverCurr_Failure
交流软件过流故障
F015
