To prevent power surges or sudden shut-offs during the flashing process, isolate the unit: Switch off the AC input source (utility grid or generator). Switch off the AC output load switch.
Plug your laptop into the inverter's communication port. axpert vm iii firmware
Re-enter the inverter program menu. Go to Program 05 and re-assign your specific battery type (e.g., PYL, SOL, or LIC) instead of "USE". Internal hardware signature mismatch (safety block). To prevent power surges or sudden shut-offs during
Scroll through the diagnostic screen loop until you see the and U2 screens. axpert vm iii firmware