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11 Troubleshooting and Maintenance
Before troubleshooting or maintenance operation, please ensure the system has been
powered off (refer to “8.4 Power off” for specific steps).
11.1 Troubleshooting
This section contains information and procedures for resolving possible problems with the
inverter and the rechargeable battery, and provides the troubleshooting tips to identify and
solve most problems that may occur. Please conform the state of the indicators to check
the status of the T-BAT-SYS system, check the warning or fault information on the system
control panel or on the App and read the suggested solutions below when error occurs.
In case of the following circumstances, e.g. voltage or temperature exceeds the limit
specified, a warning state will be triggered.
T-BAT-SYS system's BMS will periodically report its operating state to the inverter.
Therefore, when a warning is reported, the inverter will stop working immediately.
Contact SolaX Customer Service for further assistance. Please be prepared to describe the
details of your system installation and provide the model and serial number of the devices.
Error Code Fault Descriptions and Diagnosis
IE 01 TZ Protect Fault
Overcurrent fault.
• Wait for a while to check if you're back to normal.
• Disconnect PV+ PV- and batteries, reconnect.
• Or ask for help from the installer if it can not return
to normal.
IE 02 Grid Lost Fault
• Check the grid connection status.
• Or ask the installer for help.
IE 03 Grid Volt Fault
Power grid voltage overrun
• Wait a moment, if the utility returns to normal, the
system will reconnect.
• Please check if the grid voltage is within normal
range.
• Or ask the installer for help.
IE 04 Grid Freq Fault
Electricity frequency beyond range
• If the utility returns to normal, the system
reconnects.
• Or ask the installer for help.
IE 05 PV Volt Fault
PV voltage out of range
• Check the output voltage of the PV panel
• Or ask the installer for help.
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