"The upper thread may not be threaded correctly. Thread the upper thread from the beginning." message appears on the LCD. What does it mean?
This message is displayed when it seems that the upper thread has not been threaded correctly.
Check the thread path.
Remove the upper thread from the machine and then reinstall the upper thread correctly.
Pokud váš dotaz nebyl zodpovězen, prohlédli jste si další nejčastější dotazy?
