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