I see red, black, and white wires in your photos. Where on the chandelier do they go? And where, in the wall/ceiling?

The chandelier has two black wires, one connects to the red wire and one connects to a black wire. The wires in the box come from 3 locations in the ceiling and I can't track them. I suspect that two switches control this fixture but I don't know for sure.

your chandelier has lamp wire so although polarity can be important it really won't matter there. you need to figure out where they went wrong with grouping the wires together.. sounds like a direct short, or one group of wires has been disconnected from the switch and is just dead. get a voltage meter.