Troubleshooting
EepromFault
Inverter EEPROM Fault
• Turn off the PV, battery and grid , reconnect them.
Or reach out to
Technical Support, if you are unable to
•
Solax
return to a normal state.
EPSBatPowerLow
EPS Battery Power Low
• Check the voltage of battery and charge the battery
• Turn off high power device , press to restart the inverter
• Or reach out to Solax Technical Support, if you are unable to
return to a normal state.
EpsOverLoad
Over Load in EPS Mode.
• Turn off high power device , press to restart the inverter.
• Or reach out to Solax Technical Support, if you are unable to
return to a normal state.
EpsRelayFault
EPS Relay Fault
• Disconnect PV+ , PV- , grid and battery, reconnect them.
• Or reach out to Solax Technical Support, if you are unable to
return to a normal state.
GridOverFreqFault
Grid Frequency Out of Range
• System will reconnect if the utility is back to normal.
• Or reach out to Solax Technical Support.
GridOverVoltFault
Grid Voltage Out of Range
• Wait for a while and system will reconnect if the utility is back to
normal.
Check whether the grid voltage is in the normal range.
•
Or reach out to
•
Solax Technical Support, if you are unable to
return to a normal state
GridRelayFault
GIRD Relay Fault
• Disconnect PV+ , PV- , grid and battery, reconnect them.
• Or reach out to Solax Technical Support, if you are unable to
return to a normal state
GridUnderFreqFault
Grid Frequency Out of Range
• System will reconnect if the utility is back to normal.
• Or reach out to Solax Technical Support
GridUnderVoltFault
Grid Frequency Out of Range
• System will reconnect if the utility is back to normal.
• Or reach out to Solax Technical Support
HardwareTrip
BusVoltFault
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
• Or reach out to Solax Technical Support, if you are unable to
return to a normal state
AC Current Sensor Fault
• heck if there is any short-circuit fault firstly
C
• Disconnect the PV, battery and grid and reconnect them after the
inverter shutdown
• Or reach out to Solax Technical Support, if you are unable to
return to a normal state
Faults
Diagnosis and solution
BMS_Discharge
OverCurrent
Battery Fault-discharge overcurrent fault
• Reach out to Solax Technical Support.
BMS_External_Err
Battery Fault-extarnal fault
• Reach out to Solax Technical Support.
BMS_Internal_Err
Battery Fault-intarnal fault
• Reach out to Solax Technical Support.
BMS_Lost
BMS_LowerVoltage
Battery Fault-undervoltage fault
• Reach out to Solax Technical Support.
BMS_OverVoltage
Battery Fault-overvoltage fault
• Reach out to Solax Technical Support.
BMS_Temp High
Battery Fault-over-temperature fault
• Reach out to Solax Technical Support.
BMS_Temp Low
Battery Fault-under-temperature fault
• Reach out to Solax Technical Support.
PV Voltage Fault
PV Voltage Out of Normal Range.
•Disconnect PV+ , PV- and battery, reconnect them.
•Check if the PV input is within the range of the inverter.
•Or reach out to Solax Technical Support, if you are unable to
return to a normal state.
CT_Error
Meter Fault.
• heck if the meter is in working normally.
C
Or reach out to
Technical Support, if you are unable to
•
Solax
return to a normal state
Dci_OCP
DCI over current protection Fault.
• Wait for a while to check if back to normal
• Or reach out to Solax Technical Support.
Dcv_OVP
DCV EPS over voltage protection Fault.
• Wait for a while to check if back to normal.
• Or reach out to Solax Technical Support.
BMS Communication Lost
• heck the communication connection between the
C
battery and the inverter first
• ait for a while and the inverter will reconnect
W
automatically if the BMS connection is back
• Or reach out to Solax Technical Support, if you are unable to
return to a normal state.
Faults
Diagnosis and solution
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Troubleshooting
