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Kids, changing the polarity of components that don't seem to work in an attempt to get them to work often makes them work even less.
RIP Recom R-78HB
A guy I used to work with told me if you haven't blown anything up then you haven't learned anything.
Yep, have to learn it the hard way, lol ๐... everyone learns it the hard way ๐.
I was a bit surprised because this unit has got protection against just about anything. I didn't expect reverse polarity to do it in. ๐