Hi,
I cannot seem to get my settings on a second hand multiplus to save, even if I retrieve the inverter settings and change nothing, I cannot save the settings back to the unit...
I always get the error - "Error during write to device 0. When sending data to more devices, a likely cause of this error is that not all devices do support all settings which are send now! Please retry!"
I have only my laptop connected to the mutiplus through a mk3-usb.
I hope someone can help because all i can think to do now is flash the firmware!! Not very keen on this though.......