Not the same at all. Two discrete error messages for two discrete phenomenons.
You have little if any standards on the advice you throw out..
Sure, man. Whatever. It's an error caused by a dirty connection.. fixed by a quick wipe with a t-shirt, paper towel, etc. Although pretty well made, the mod is cheap and not perfect. The 510 has minor issues, but it's a damned sight better than other recent Eleaf/joyetech products.