9. Troubleshooting
9.1 Trouble shooting
This section contains information and procedures for solving possible problems
with X1-Hybrid inverters, and provides you with troubleshooting tips to identify
and solve most problems that could occur with the X1-Hybrid inverters.
This section will help you narrow down the source of any problems you may
encounter. Please read the following troubleshooting steps.
Check warnings or fault messages on System Control Panel or Fault codes on the
inverter information panel. If a message is displayed, record it before doing
anything further.
Attempt the solution indicated in below table.
Troubleshooting
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Troubleshooting
AC10M Volt Fault
The grid voltage is out of range for the last 10 Minutes.
• The system will back to normal if the grid is back.
• Or seek for help from us.
AC HC T Fault
AC Current Sensor Fault
• Or seek help from us, if can not go back to normal state.
• Turn off the PV, battery and grid , reconnect them.
BatConDir Fault
Battery Reverse Connection Fault
• Check if the positive pole and negtive pole of battery are connected
in a contrary way
• Or seek help from us.
Bat Volt Fault
Battery Voltage Fault
• Check if the battery input voltage.is within the normal range
• Or seek help from us.
BMS_CellImblance
Battery Fault-cell imbalance fault
• Please contact battery suppiler.
BMS_ChargeOCP
Battery Fault-charge overcurrent fault
• Please contact battery suppiler.
BMS_DischargeOCP
Battery Fault-discharge overcurrent fault
• Please contact battery suppiler.
BMS Lost
BMS Communication Lost
• Check if the BMS cable is loose or broken.
• Or seek help from us, if can not go back to normal state.
BMS_External_Err
Battery Fault-extarnal fault
• Please contact battery suppiler.
Bus Volt Fault
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 seek help from us, if can not go back to normal state.
BMS_Internal_Err
Battery Fault-internal fault
• Please contact battery suppiler.
BMS_LowerVoltage
Battery Fault-undervoltage fault
• Please contact battery suppiler.
BMS_OverVoltage
Battery Fault-overvoltage fault
• Please contact battery suppiler.
BMS_TemHigh
Battery Fault-over-temperature fault
• Please contact battery suppiler.
BMS_TemLow
Battery Fault-under-temperature fault
• Please contact battery suppiler.
DCV OVP Fault
DCV EPS over voltage protection Fault.
• Or seek for help from us.
• Wait for a while to check if back to normal.
DCI OCP Fault
DCI over current protection Fault.
• Or seek for help from us.
• Wait for a while to check if back to normal.
EPS 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.
EPS OCP Fault
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.
• Or seek help from us, if can not go back to normal state.
Fan Fault
Fan Fault
• Or seek help from us, if can not go back to normal state.
• Turn off the PV, battery and grid , reconnect them.
Grid Freq Fault
Grid Frequency Out of Range
• System will reconnect if the utility is back to normal.
• Or seek help from us.
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