If you search through the forums, you will see others who were using only solar as the power input, and they also got the overload error. It's a real shame, because in theory this model is a great idea. But I don't think a firmware upgrade can fix this. I believe it's due to lack of input...
Pretty sure they are going to say that they don't know what the issue is. Just my two cents here, but they seem to have a LOT of design issues that make me question who they have as engineers. Input filtering and spike protection is part of a UPS system. PERIOD. If your engineers don't...
I have two EB3As that are both less than one month old, and are both giving me the overload error. Electrical motors, compressors, etc, look like a short to the power source when they are first turned on. That means there will be an initial current spike that can affect other devices on the same...