"Check if thread is broken." message appearing on the LCD.
What does it mean and how do I clear it?
The upper thread was cut or the thread came out the thread tension disc or a thread guide.
The machine is not threaded correctly.
Check that the thread is under the upper and middle thread guide and correctly thread the upper thread.
If the start/stop button is pressed while the machine is not correctly set up or if an incorrect operation is performed, the machine stops and informs you of the error with a buzzer and an error message.
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