Upper thread on embroidery machine is not "feeding"
I have a Brother PE 500 and it is threaded with black upper thread and white in the bobbin. I am embroidering some words and they look fine on both sides of the fabric, but they are all white! The black thread just sits there when I run the machine and doesn't feed through the needle. I have rethreaded this machine until I am totally frustrated. Has anyone ever had a problem like this (not the frustration problem, the problem with the upper thread LOL)?