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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. Turn off the AC switch between the inverter and the power grid.
c. Set the DC switch to OFF.
d. Switch off the battery or the breaker, button, DC switch of the battery (see
documentation of the battery manufacturer).
WARNING!
• After the inverter is powered off, there may still be residual electricity and heat
which may cause electric shocks and body burns. Please wear personal protective
equipment (PPE) and start maintaining the inverter at least five minutes after power
off.
12.2 Troubleshooting
This section lists the possible problems with the inverter, and provides information and
procedures for identifying and resolving them. In case of any errors, check for the warnings
or error messages on the system control panel or App, and then refer to the suggestions
below. For further assistance, contact SolaX Customer Service. Please provide the model
and SN of the inverter, and be prepared to describe the system installation details.
Table 12-1 Troubleshooting list
Error Code Fault Diagnosis and Solutions
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.
• Contact SolaX for help.
IE 02 Grid Lost Fault Grid lost fault
• Check the grid connection status.
• Contact SolaX 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.
• Contact SolaX for help.
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