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Did you check the battery terminal connections? I had to crimp mine tighter with pliers to keep them from coming off. Give that a shot - and remember if you don't have a secure connection your battery won't charge either Hope that helps, good unit!
i have an LX-5 as well the wall charger doesn't turn green on mine but will give a full charge after 8hrs. Ive tested it with another charger i know works and it turned green right away. you may have to turn your gain up in simulator mode and play with the features that way.
I thought I read that some of you guys upgraded from lx-7 to a 9, and lx-5 to a 9. How do I find out how to do that?