Step3
To update the ARM firmware use the data send application.
(English version not available)
Open the DATA SEND application.
1. Please ensure USB Open Success when connected to inverter and the grid and loads are switched
off. Just have one DC source on the inverter. Find the tool (DataSend.exe), you will need this to
update the ARM firmware.
2. Select the file for upadate (first button shown below)
3. Run the update as shown below, Wait for the Update to complete