WESTECH Solax X3-HYBRID G4 Manual page 42

Electrical Connection
Normal: When the inverter is working normally, the green light is always on.
At the same time, the power is fed back to the grid, and the LCD displays
the output power.
If it is the rst time to boot, please follow the prompts to enter the setting
interface.
Warning!
The input terminal of the inverter can be opened only when all
the installation work of the inverter has been completed. All
electrical connections must be performed by professionals in
accordance with local regulations.
Note!
If it is the first time to operate the inverter, the system will
automatically display setup guide. Please follow the setup guide
to complete the basic inverter settings.
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6 Firmware Upgrade
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Upgrade notes
Please read the following precautions before upgrading.
Warning!
- In order to upgrade the firmware smoothly, if the DSP
and ARM firmware need to be upgraded, please note that
ARM firmware must be upgraded first, then DSP firmware!
- Please make sure that the category format is correct, do
not modify the firmware file name, Otherwise, the inverter
may not work!
Warning!
- For X3-Hybrid G4, ensure that the PV input voltage is
greater than 180V (upgrade on sunny days). please
ensure that the battery SOC is greater than 20% or the
battery input voltage is greater than 180V. Otherwise, it
may cause serious failure during the upgrade process!
Caution!
- If the ARM firmware upgrade fails or stops, please do
not unplug the U disk power off the inverter and
restart it. Then repeat the upgrade steps.
Caution!
- If the DSP firmware upgrade fails or stops, please check
whether the power is off. If it is normal, plug in the U disk
again and repeat the upgrade.
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Upgrade preparation
1) Please check the inverter version and prepare a U disk (USB 2.0/3.0) and
personal computer before upgrading.
Caution!
- Please make sure that the size of the U disk is smaller than
32G, and the format is FAT 16 or FAT 32.
Firmware Upgrading
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