Troubleshooting Troubleshooting
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● If your inverter's information panel is not displaying a Fault light, check the
following list to make sure that the present state of the installation allows
proper operation of the unit.
— Is the inverter located in a clean, dry, adequately ventilated place?
— Have the DC input breakers been opened?
— Are the cables adequately sized and short enough?
— Are the input and output connections and wiring in good condition?
— Are the configurations settings correct for your particular installation?
— Are the display panel and the communications cable properly
connected and undamaged?
Contact SolaX Customer Service for further assistance. Please be prepared to
describe details of your system installation and provide model and serial number
of the unit.
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Inv EEPROM Fault
Inverter EEPROM Fault
• Or seek help from us, if can not go back to normal state.
• Turn off the PV, battery and grid , reconnect them.
Input Cnf Fault
PV Panel connection abnormal
• Check if two MPPTs connect in a parallel mode. Please connect the two
MPPTs indepedently.
• Or seek help from us, if can not go back to normal state.
Inter Com Fault
Internal Communication Fault
• Or seek help from us, if can not go back to normal state.
• Turn off the PV, battery and grid , reconnect them.
Isolation Fault
Isolation Fault
• Please check if the insulation of electric wires are damaged.
• Wait for a while to check if back to normal.
• Or seek for help from us.
Grid Lost Fault
Grid Volt Fault
Grid Voltage Out of Range
• Please wait for a while and system will reconnect if the utility is back to normal.
• Please check whether the grid voltage is in the normal range.
• Or seek help from us.
Grid Relay Fault
EPS Relay Fault
• Disconnect PV+ , PV- , grid and battery, reconnect them.
• Or seek help from us, if can not go back to normal state.
Grid is Lost.
• Please wait for a while and system will reconnect if the utility is back to normal.
• Please check whether the cable connection at AC side is normal or not.
• Or seek help from us.
Meter Fault
Meter Fault.
• Please check if the meter is in normal working.
• Or seek for help from us if can not back to normal.
Mgr EEPROM Fault
Manager EEPROM Fault.
• Turn off the PV, battery and grid , reconnect them.
• Or seek for help from us if can not back to normal.
OverLoad Fault
Over Load in EPS Mode.
• Turn off high power device , press “ESC” to restart the inverter.
• Or seek help from us, if can not go back to normal state.
OtherDevideFault
Other Devide Fault
• Disconnect PV+ , PV- , grid and battery, reconnect them.
• Or seek help from us, if can not go back to normal state.
PV Volt Fault
PV Voltage Out of Range
• Check the output voltage of the PV panels.
• Or seek for help from us.
RCD Fault
Residual Current Device Fault
• Check the impedance of DC input and AC output.
• Disconnect PV+ , PV- and battery, reconnect them.
• Or seek help from us, if can not go back to normal state.
RC OCP Fault
DCI over current protection Fault.
• Please check if the insulation of electric wires are damaged.
• Wait for a while to check if back to normal.
• Or seek for help from us.
Sample Fault
• Or seek help from us.
The detection circuit Fault
• Disconnect PV+ , PV- and battery, reconnect them.
SW OCP Fault
Over current fault detected by software.
• Wait for a while to check if back to normal.
• Turn off the PV, battery and grid , reconnect them.
• Or seek for help from us.
Temp Over Fault
Temperature over the limitation
• Check if the envirement temperature is over limitation.
• Or seek help from us.
TZ Protect Fault
Over current Fault.
• Wait for a while to check if go back to normal status.
• Disconnect PV+ , PV- and battery, reconnect them.
• Or seek help from us, if can not go back to normal state.
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