Are there any responses to these people's questions? Also I made a long comment, with questions that is not showing. A lot of thought and work just vanished, and I would like to copy it.
Is it normal for the 800 series to say it's pumping but take forever to pull the water and sometimes it only pulls water for a minute or two then stops. You can hear the pump running but not pulling anything. All voltages are good and examples have been on sunny days with max MPPT.