"The upper thread may not be threaded correctly. Thread the upper thread from the beginning." message appearing on the LCD. What does it mean and how do I clear it?

This message is displayed when it seems that the upper thread has not been threaded correctly.

If the operation procedure was correct, the machine will beep once.

If the operation procedure was incorrect, the machine will beep twice or four times.

To turn the alarm on or off, press .

FAQs & Troubleshooting