9. Troubleshooting
9.1 Trouble shooting
This section contains information and procedures for solving possible problems
with X1-Retro Fit inverters, and provides you with troubleshooting tips to identify
and solve most problems that could occur with the X1-Retro Fit 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
TZ Protect Fault
Over current Fault.
• Wait for a while to check if go back to normal status.
• Disconnect battery, reconnect it.
• Or seek help from us, if can not go back to normal state.
Grid Lost Fault
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.
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 Freq Fault
Grid Frequency Out of Range
• System will reconnect if the utility is back to normal.
• Or seek help from us.
Bus Volt Fault
Bus Voltage Out of Normal Range
• Disconnect battery, reconnect it.
• Or seek help from us, if can not go back to normal state.
Bat Volt Fault
Battery Voltage Fault
• Check if the battery input voltage.is within the normal range
• Or seek help from us.
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.
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.
SW OCP Fault
Over current fault detected by software.
• Wait for a while to check if back to normal.
• Turn off the battery and grid , reconnect them.
• Or seek for help from us.
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.
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.
Temp Over Fault
Temperature over the limitation
• Check if the envirement temperature is over limitation.
• Or seek help from us.
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.
Sample Fault
• Or seek help from us.
The detection circuit Fault
• Disconnect battery, reconnect it.
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.
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.
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 battery and grid , reconnect them.
• Or seek for help from us if can not back to normal.
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