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SolaX Solar Inverter Fault Messages
Faults
Diagnosis and Solution
SPI Fault
View Diagnosis and Solution
SPI communication fault
  • Disconnect PV+ , PV- and battery, reconnect them.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
SCI Fault
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SCI communication fault
  • Disconnect PV+ , PV- and battery, reconnect them.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
CAN1 Fault
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CAN communication fault
  • Disconnect PV+ , PV- and battery, reconnect them.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
PV Config Fault
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PV Connection Setting Fault
  • Resetting the PV connection
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
Inv EEPROM Fault
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Inverter EEPROM fault
  • Disconnect PV+ , PV- and battery, reconnect them.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
Relay Fault
View Diagnosis and Solution
Relay Fault
  • Disconnect PV+ , PV- and battery, reconnect them.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
Sample Fault
View Diagnosis and Solution
The detection circuit Fault
  • Disconnect PV+ , PV- and battery, reconnect them.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
RCD Fault
View Diagnosis and Solution
Residual Current Device Fault
  • Check the impedance of DC input and AC output.
  • Disconnect PV+ , PV- and battery, reconnect them.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
Fan1 Fault & Fan2 Fault
View Diagnosis and Solution
Fan Device Fault
  • Disconnect PV+ , PV- and battery, reconnect them.
  • Check if the fan is stopped by dust or other foreign.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
AC HCT Fault
View Diagnosis and Solution
AC Current Sensor Fault
  • Disconnect PV+ , PV- and battery, reconnect them.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
OverLoad Fault
View Diagnosis and Solution
Over Load in EPS Mode.
  • Turn off high power device , press “ESC” to restart the inverter.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
EPS OCP Fault
View Diagnosis and Solution
Over Current in EPS Mode.
  • Make sure the load power is within the EPS power range.
  • Check if any nonlinear load is connect on the EPS. Remove this load to check if can recover.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
DCI Device Fault
View Diagnosis and Solution
DCI Device Fault
  • Disconnect PV+ , PV- and battery, reconnect them.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
EPS Relay Fault
View Diagnosis and Solution
EPS Relay Fault
  • Disconnect PV+ , PV- , grid and battery, reconnect them.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
TZ Protect Fault
View Diagnosis and Solution
Over current Fault.
  • Wait for a while to check if go back to normal status.
  • Disconnect PV+ , PV- and battery, reconnect them.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
Grid Lost Fault
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Grid is Lost.
  • System will reconnect if the utility is back to normal.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
Grid Volt Fault
View Diagnosis and Solution
Grid Voltage Out of Range
  • System will reconnect if the utility is back to normal.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
Grid Freq Fault
View Diagnosis and Solution
Grid Voltage out of range
  • System will reconnect if the utility is back to normal.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
PLL Lost Fault
View Diagnosis and Solution
The Grid is Not Good.
  • System will reconnect if the utility is back to normal.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
Bus Volt Fault
View Diagnosis and Solution
Bus Voltage out of Normal Range.
  • Disconnect PV+ , PV- and battery, reconnect them.
  • Check if the PV input is within the range of the inverter.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
AC5M Volt Fault
View Diagnosis and Solution
The grid’s voltage is out of range for the last 5 Minutes.
  • The system will back to normal if the grid is back
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
Inv OCP Fault
View Diagnosis and Solution
Inverter over current protection fault
  • Wait for a while to check if back to normal.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
PV Volt Fault
View Diagnosis and Solution
PV Voltage Fault
  • Check the output of the PV voltage.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
AC10M Volt Fault
View Diagnosis and Solution
The grid’s Voltage is out of range for the last 10 minutes.
  • The system will back to normal if the grid is back
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
Isolation Fault
View Diagnosis and Solution
Isolation Fault
  • Check the connection of the inverter.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
Temp Over Fault
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Temperature over the limitation
  • Temperature over the limitation
  • Check if the environment temperature is over limitation.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
Fan1 Speed Fault & Fan2 Speed Fault
View Diagnosis and Solution
Fan speed out of the normal range.
  • Check if the fan is stopped by dust or other foreign.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
C1 Can Fault
View Diagnosis and Solution
The battery group’s can communication fault.
  • Reconnect the charger communication cable.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
C1 Temp High
View Diagnosis and Solution
The battery charger is over temperature.
  • Check if the air ducting of the charger is blocked.
  • Improve the working environment or reduce the charging or discharging current.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
C1 FAN Fault
View Diagnosis and Solution
The fan of the charger is broken.
  • Check if the fan is working normally.
  • Check if anything blocking the fan
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
C1 TZ Fault
View Diagnosis and Solution
The protection of the charger fault.
  • Wait for a while to check if back to normal.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
C1 EEPROM Fault
View Diagnosis and Solution
The charger’s EEPROM fault.
  • Wait for a while to check if back to normal.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
C1 HCT1 Fault & C1 HCT2 Fault
View Diagnosis and Solution
The charger’s current detection fault.
  • Reconnect the charger.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
C1 Bus OVP
View Diagnosis and Solution
The Bus voltage of the charger over limit.
  • Wait for a while to check if back to normal.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
C1 Temp Low
View Diagnosis and Solution
The charger is under temperature
  • Improve the working environment of the charger.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
C1 Boost OVP
View Diagnosis and Solution
The Boost voltage of the charger over limit.
  • Wait for a while to check if back to normal.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
C1 Bat OVP
View Diagnosis and Solution
The battery voltage is over limit.
  • Wait for a while to check if back to normal.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
C1 Charger OCP
View Diagnosis and Solution
The charger is over current protected.
  • Wait for a while to check if back to normal.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
C1 Boost OCP
View Diagnosis and Solution
The boost current of the charger is over limit.
  • Wait for a while to check if back to normal.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
CT Fault
View Diagnosis and Solution
The CT or the meter is not connected well.
  • Check the connection of the CT or the meter.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
RC Fault
View Diagnosis and Solution
DCI over current protection Fault.
  • Wait for a while to check if back to normal.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
DCI OCP Fault
View Diagnosis and Solution
DCI over current protection Fault.
  • Wait for a while to check if back to normal.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
Other device Fault
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Other device fault.
  • Turn off the PV, battery and grid, reconnect them.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
Other device Fault
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Other device fault.
  • Turn off the PV, battery and grid, reconnect them.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
SW OCP Fault
View Diagnosis and Solution
Over current fault detected by software.
  • Turn off the PV, battery and grid, reconnect them.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
DM9000 Fault
View Diagnosis and Solution
Network DSP fault.
  • Turn off the PV, battery and grid, reconnect them.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
RTC Fault
View Diagnosis and Solution
Manager EEPROM Fault.
  • Turn off the PV, battery and grid, reconnect them.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
Mgr CAN Fault
View Diagnosis and Solution
Manager CAN Fault
  • Turn off the PV, battery and grid , reconnect them.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
C1 SPI Fault
View Diagnosis and Solution
Charge can communication fault.
  • Turn off the PV, battery and grid, reconnect them.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
Fault
View Diagnosis and Solution
Charge over current detected by hardware C1 TZ
  • Turn off the PV, battery and grid, reconnect them.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
C1 FAN Fault
View Diagnosis and Solution
Charge FAN Fault.
  • Check if the fan is blocked.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
C1 sample Fault
View Diagnosis and Solution
Charge sample fault.
  • Turn off the PV, battery and grid, reconnect them.
  • If the inverter doesn’t go back to its normal state contact your local solar power expert for further assistance.
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