Vm Iii Firmware | Axpert

: A hallmark of the VM III firmware is its ability to power loads directly from solar or the grid without a battery connected, a feature not available in older generations. Common Firmware Versions Firmware for these units is often divided into the Main CPU (U1) Remote Panel/MCU (U2)

After the "Update Successful" message, restart the inverter completely (disconnect both AC and Battery) to initialize the new code. axpert vm iii firmware