SolaX Power X3-HYB-G4 PRO Series User Manual page 145

Troubleshooting and Maintenance
Error Code Fault
IE 12 RC OCP Fault
IE 13 Isolation Fault
IE 14 Temp Over Fault
IE 15 Bat Con Dir Fault
IE 16 EPS Overload Fault
IE 17 Overload Fault
IE 18 BatPowerLow
IE 19 BMS Lost
IE 20 Fan Fault
IE 21 Low TempFault
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Diagnosis and Solutions
Overcurrent protection fault
• Check the impedance of DC input and AC output.
• Wait for a while to check if it's back to normal.
• Contact SolaX for help.
Insulation fault
• Please check the wire insulation for damage.
• Wait for a while to check if it's back to normal.
• Contact SolaX for help.
Temperature out of range
• Check if the ambient temperature exceeds the
limit.
• Contact SolaX for help.
Battery direction fault
• Check if the battery cables are connected in the
opposite direction.
• Contact SolaX for help if it cannot return to normal.
EPS (Off-grid) overload fault
• Shutdown the high-power device and press the
ESC key to restart the inverter.
• Contact SolaX for help if it cannot return to normal.
On-grid mode overload fault
• Shutdown the high-power device and press the
ESC key to restart the inverter.
• Contact SolaX for help if it cannot return to normal.
Bat power low
• Shutdown the high-power device and press the
ESC key to restart the inverter.
• Charge the battery to a level higher than the
protection capacity or protection voltage.
Battery communication lost
• Check that the communication cable between the
battery and the inverter are properly connected.
• Contact SolaX for help if it cannot return to normal.
Fan fault
• Check for any foreign matter that may have caused
the fan not to function properly.
• Contact SolaX for help if it cannot return to normal.
Low temperature fault
• Check if the ambient temperature is too low.
• Contact SolaX for help if it cannot return to normal.