My serger starts serging as soon as I use the power switch, even without foot control. It only stops when I open the serger looper cover. In the servicing manual I was reading that the pcb could be damaged. Does any body know who could repair it?
Undo the foot control and see if there is a capacitor inside, it looks like a big fuse, if there is then discard it because you don't need it, it has probably blown.
