Outside panel screen doesn’t work.
I have a Montana RV from 2013. I’m really new to this. I tried plugging into my car and put the wrong terminals in the wrong place when I connected it to the battery. I know I fried something there. Now the auto level doesn’t really work, I can’t see anything on the display, and it keeps giving me a BEEP sound every 20 seconds or so. I hope it’s just a fuse that went wrong. The inside of the RV has power, the AC, lights, microwave and fridge etc all turn on but I can’t use the slide function to open it. Any help?
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