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Operating state Information display Description
Checking parameters
Real-time Power Pac=xxxxW Real-time output power
Calculate Energy
Information
Etotal=xxxxkwh Total energy produced to grid
Output Voltage Vac=xxx.xV Output voltage
Output Frequency Freq.=xx.xHz Output frequency
Output Current Iac=xx.xA Output Current
PV Input Voltage Vpv= xxxV PV input voltage
PV Input Current Ipv= xxxA
PV Input Current Ipv= xxx A PV
input current
Fault information
Isolation Fault Isolation Fault
Grounding fault or surge
voltage protection failure
Leakage Detecting Ground I Fault Leakage current over rating
Grid Fault
Fault OVR AC Over voltage rating
FaultUVR ACUndervoltagerating
Fault OFR AC Over frequency rating
FaultUFR ACUnderfrequencyrating
NoUtility NoUtility NoUtility
Fan Fault Fan Fault Fan locked or circuit fault
PV Over Voltage PV Over Voltage PV voltage ≥ Max.DC voltage
Consistent Fault Consistent Fault CPUorothercircuitryfailure
Relay Failure Relay Failure
Relay failure between
grid and inverters
DCINJHigh DCINJHigh
DC component over
rating in AC output
EEPROM Failure EEPROM Failure EEPROM’s failure
SCI Failure SCI Failure
MCUinternal
communication failure