Inverter “AC in” under frequency
Inverter “AC in” over frequency
Inverter over current protection error
Inverter bus voltage is too low
Inverter soft start failed
Over DC voltage in AC output
Battery connection is open
Inverter control current sensor error
Inverter output voltage is too low
Fan is locked when inverter is on.
Fan 2 is locked when inverter is on.
Solar charger stops due to low battery.
Solar charger stops due to high PV voltage.
Solar charger stops due to over load.
Solar charger over temperature.
PV charger communication error.