Troubleshooting Troubleshooting
Grid Overvoltage for Ten Minutes Fault.
-The system will reconnect when the utility is back to
normal.
-Or seek help from us.
DCI Overcurrent Protection Fault.
-Wait for a while to check if the inverter is back to normal.
-Or seek help from us.
Hard Limit Fault (in Australian standard).
-Wait for a while to check if the inverter is back to normal.
-Or seek help from us.
Software Overcurrent Protection Fault.
-Wait for a while to check if the inverter is back to normal.
-Disconnect PV and grid, then reconnect.
-Or seek help from us.
Overcurrent Protection Fault.
-Check the connections of the inverter.
-Wait for a while to check if the inverter is back to normal.
-Or seek help from us.
Isolation Fault.
-Check the connections of the inverter.
-Or seek help from us.
Over Temperature Fault.
-Check if the inverter and the ambient temperature
exceeds the operating range.
-Or seek help from us.
Low Temperature Fault.
-Check if the ambient temperature is too low.
-Or seek help from us.
Internal Communication Fault.
-Restart the inverter to check if it is back to normal.
-Update the ARM software or reburn the program.
-Or seek help from us.
Fan Fault.
-Check whether the fan is faulty or damaged.
-Or seek help from us.
AC Terminal Overtemperature Fault.
-Check if the AC terminals are tightly connected.
-Check if the ambient temperature exceeds the
operating range.
-Or seek help from us.
DSP EEPROM Fault.
-Disconnect PV wiring and reconnect.
-Or seek help from us.
Residual Current Device Fault.
-Restart the inverter.
-Update the ARM software or reburn the program.
-Or seek help from us.
PV Direction Fault.
-Check if the PV+/- sides are connected correctly.
-Or seek help from us.
Relay Fault.
-Check the grid connection.
-Restart the inverter.
-Or seek help from us.
Model Incorrectly Set Fault.
-Seek help from us.
ARM EEPROM Fault.
-Disconnect PV and grid, then reconnect.
-Or seek help from us.
Meter Fault.
-Check the connection of the meter.
-Check if the meter is in working order.
-Or seek help from us.
External Fan 1 Abnormal Warning.
-Check if the fan is working.
-Or seek help from us.
External Fan 2 Abnormal Warning.
-Check if the fan is working.
-Or seek help from us.
Power Type Fault.
-Check the version of ARM and DSP.
-Check the product SN number.
-Or seek help from us.