Originally Posted by ewecansew
Many of the newer (and some older) models have a low-bobbin light or beep. I do notice that when the bobbin thread runs out the machine makes a different sound. By the way, I have machines that flash or beep, but I still run out, because I am not going to waste the yard or so that is still on the bobbin. haha
My Pfaff 7550 had an alarm that flashed too early so I tended to ignore it for too long and then ran out.