Sansa Fuze is hot/warm and won't respond to being charged.

There’s an electric burning smell coming from the USB and the USB port…my Nintendo Wii was able to read the device. But it won’t recognize it’s being charged. It still turns on however…what do I do?

CRAP! The USB cable just burned!

Sounds like you have (or had, R.I.P.) a bad cable. Try a replacement. If that doesn’t work, the Fuze itself may be bad.