Questions & Answers for: timming mark Sewing Machines

Machine keeps stopping and says to turn it off My machine (Singer XL 5000) stops with regular straight stitching and message says to turn it off. why does this happen?? What can I do to solve this ...

...mark aqual with the lower bushing at this time the blad point of hook must be at the center of groove for the needle if no lose tow screw for the hook and readjust the timming between the blad point ...

...mark for adjust timming between needle and hook ( bring the lower mark aquel with lower needle bar bushing at this point the tip of hook must be at the center of needle and the distance between the ...

...timming, cleaning and changing the needle. I gave up, I know I am missing something. The needle thread doesn't engage the bobbin thread and of corse there will no stiches. Thank you for your ...