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error Diagnostics and Solutions
DcBus_SSErr
Bus soft start failure
1. Try to restart the inverter;
2. Contact the installer
Low PV power
1. Try to restart the inverter;
2. Contact the installer
Relay fault
1. Try to restart the inverter;
2. Contact the installer
Relay pull in fault
1. Try to restart the inverter;
2. Contact the installer
Inverter software overcurrent
1. Try to restart the inverter;
2. Contact the installer
Inverter peak overcurrent fault
1. Try to restart the inverter;
2. Contact the installer
Inverter hardware overcurrent
1. Try to restart the inverter;
2. Contact the installer
DCI exceeds allowable value
1. Try to restart the inverter;
2. Contact the installer
Inverter peak overcurrent fault
1. Try to restart the inverter;
2. Contact the installer
GFCI sensor failure
1. Try to restart the inverter;
2. Contact the installer
GFCI failure
1. Check whether the inverter ground wire is correctly connected;
2. Try to restart the inverter;
3. Contact the installer
Inverter hardware overcurrent fault
1. Try to restart the inverter;
2. Contact the installer
Boost module temperature above allowable value
1. Confirm that the inverter is well ventilated;
2. Try to restart the inverter;
3. Contact the installer
SunPWR_Weak
InvRelay_Err
Relay_OnErr
Inv_SW_OCP
Inv_PkCur_OL
Inv_HW_OCP
Inv_DCI_Err
Inv_SC_Err
GFCI_CT_Err
GFCI_Err
Inv_HW_OCPA
Bst_IGBT_NTC_OTP
Inv_IGBT_NTC_OTP
The temperature of inverter module is higher than the allowable value
1. Confirm that the inverter is well ventilated;
2. Try to restart the inverter;
3. Contact the installer
The AC terminal temperature is higher than the allowable value
1. Confirm that the inverter is well ventilated;
2. Try to restart the inverter;
3. Contact the installer
The internal temperature is higher than the allowable value
1. Confirm that the AC terminal of the inverter is well wired;
2. Try to restart the inverter;
3. Contact the installer
Software version unmatched error
1. Try to restart the inverter;
2. Contact the installer
The internal temperature is lower than the allowable value
1. Confirm that the inverter is well ventilated;
2. Try to restart the inverter;
3. Contact the installer
Temperature sensor connection failure
1. Try to restart the inverter;
2. Contact the installer
Internal SPI failure
1. Try to restart the inverter;
2. Contact the installer
Internal CAN failure
1. Try to restart the inverter;
2. Contact the installer
EEPROM fault
1. Try to restart the inverter;
2. Contact the installer
Fan 1 fault
1. Try to restart the inverter;
2. Contact the installer
Fan 2 fault
1. Try to restart the inverter;
2. Contact the installer
AC lightning protection module failure
1. Try to restart the inverter;
2. Contact the installer
AC_TB_NTC_OTP
Envir_Tmp_High
SW_VerMisMatch
Envir_Tmp_Low
TmpSensor_Loss
Comm_SPI_Err
Comm_CAN_Err
EPRM_RW_Err
FAN1_Err
FAN2_Err
MOV_AC_Err
DC lightning protection module failure
1. Try to restart the inverter;
2. Contact the installer
MOV_DC_Err
Model setting error
1. Try to restart the inverter;
2. Contact the installer
Type_Model_Err
error Diagnostics and Solutions
Troubleshooting
Troubleshooting