Firmware Upgrading
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WARNING!
If upgrading is failed, ensure the inverter is steadily powered on and
re-insert the U-disk.
Step 2. Switch on the inverter; make sure the operation indicator light is blinking
and other indicator lights are off before inserting USB. Then insert the U-disk into
the WiFi port on the right side of the inverter.
WARNING!
Make sure the directory is in strict accordance with the above form!
Do not modify the program file name, or it may cause the inverter to
stop functioning!
8 Firmware Upgrading
The inverter firmware can be upgraded via a U-disk.
Ensure the inverter is powered on.
8.1 Preparation
WARNING!
Make sure the PV input power is more than 150V (operate the
upgrade on a sunny day), otherwise it may result in serious failure
during upgrading.
8.2 Upgrading Steps
Firmware Upgrading
Step 1. Contact our service support to get the update files, and extract it into your
U-disk as follow:
“update\ARM\xxx.xxxxx.xx_A1_Hybrid_G2_Manager_V_XX-XX.usb”,
“update\DSP_Master\xxx.xxxxx.xx_A1_Hybrid_G2_Manager_V_XX-XX.hex”,
“update\BI\xxx.xxxxx._A1_Hybrid_G2_Manager_V_XX-XX.usb”;
“update\BMS_Master\xxx.xxxxx._A1_Hybrid_G2_Manager_V_XX-XX.hex”.
(xxx.xxxxx.xx is the P/N, VXX-XX is version number)
U-disk
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The inverter must be connected to the PV panels and the battery must be operating
while the firmware upgrade is in progress.
Please prepare a PC and an U-disk.
The software version can be found in the “About” display of APP.
Check the software version from the “About” screen as follows by accessing
the “Data”-“About” display.
Step 3. Wait 7-15 seconds. The upgrading indicator light will be off after upgrading
finished.
Step 4. Remember to pull out the U-disk.
