I received my AC50S from Bluetti in December of 2020 and am charging from my car’s 12V and running a small refrigerator on the AC50S DC cigarette lighter.
I am often finding the refrigerator is not running and the AC50S is reporting error E28.
The manual says “DC12V-1 input over current”
What does this mean and how do I fix it? DC12V-1 to my understanding is an output, why does the error refer to input? I sent an email to firstname.lastname@example.org but haven’t received an response.