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12 Troubleshooting and Maintenance
12.1 Power off
a. Turn off the system by System ON/OFF on LCD screen.
b. Switch off the battery or the load-break switch of the battery (see documentation
of the battery manufacturer).
c. Turn off the AC switch between the inverter and the power grid.
d. Set the DC switch to “OFF”.
WARNING!
• After the inverter powers off, there will still be the remaining electricity and heat
which may cause electric shocks and body burns. Please wear personal protective
equipment (PPE) and begin servicing the inverter five minutes after power off.
12.2 Troubleshooting
This section contains information and procedures for resolving possible problems with the
inverter, and provides the troubleshooting tips to identify and solve most problems that
may occur. Please check the warning or fault information on the system control panel
or on the App and read the suggested solutions below when error occurs. 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 inverter.
Error Code Fault Descriptions and Diagnosis
IE 01 TZ Protect Fault
Overcurrent fault.
• Wait for a while to check if it returns to normal.
• Disconnect PV+ PV- and batteries, reconnect.
• If the system is in off-grid state, check if the power
of EPS loads exceeds the maximum limit of the
system or exceeds the current power supply of
battery.
• If the system fails to restore to its normal state,
please contact SolaX for help.
IE 02 Grid Lost Fault
• Check the grid connection status
• Or contact SolaX for help.
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