Husqvarna Viking 1 "serger overload" Questions

why does my 936 serger keep showing overloaded ? It was working great and after about 20 min. the screen said it was overloaded and had a smell as if something was melting. I did what the manual said ...

...Serger started sewing more slowly and then stopped- computer display read "overload" which I've never seen before. The handwheel feels really tight and hard to move. I cleaned it all, oiled the spots ...

...Overload'. Can this just be fixed by oiling? A thorough clean and oil would probably do wonders for the machine. These old mechanical machines are dependable but they do need some regular TLC because ...

...overload please wait If it's a Huskylock Serger it means the machine is in a "bind," possibly think fabric, etc. The motor is "overloaded" and shuts down. If it continues after serving for a short ...