Electrical and Battery Haywire! Please help
Hi Airstream Community
We have a 2018 Airstream Interstate EXT with serious battery drain issues and need help on battery management
1. The unit has already been at Mercedes dealer for over 6 weeks, and they rewired the entire generator schematics and replaced all the batteries, since all batteries went bad
2. We brought it home, plugged it in to shore power, and then moved it without plugging it back in and both batteries (House and chassis) died in 2 days. The car will not start and there is zero power.
3. We had a tow truck come to jump start it, and it wouldn't start and then they sent a flat bed to tow it and damaged the unit (separate issue to deal with now)
4. We don't understand what is wrong with the electrical setup/batteries, and thus have a few questions we are hoping someone can help with
a. If the unit is not plugged in, but the battery switch (red switch on the door) is in the on-position how long should the unit last?
b. is it reasonable that after two days both the chassis battery and house battery would die to the point that the vehicle has zero power?
c. Would the house battery try to draw from house battery and effectively kill both?
d. does the car need to be on for the solar panels to charge the battery?
5. What is drawing so much drain on the batteries? What do we need to make sure we do everyday to prevent this from happening once its fixed?
6. Should we keep the unit plugged into shore power all the time?
Any and all advice is appreciated. We just want to use our vehicle and are beyond frustrated at this point.
Thank you
Sherri
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