Sun2000-6ktl-m1 Firmware [new] <Must Read>

If a previous update failed (inverter shows solid red light and no Wi-Fi):

Log in as an "Advanced User" or "Installer." The default password for many units is often 00000a or 000001 , but check your manual for specifics. Go to "Maintenance" > "Upgrade Firmware." sun2000-6ktl-m1 firmware