NX-600
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FAQs & Troubleshooting |
Check if the upper thread is tangled. Remove the thread completely from the machine. Re-thread the machine according to the instructions in the manual.
Check the correct size spool cap is being used for the size of the thread spool.
Remove the bobbin and make sure the bobbin is threaded properly in the shuttle race. Remove any loose threads or lint in the shuttle race.
Check the tension is not too tight or too loose. Set the tension to the basic thread tension setting or adjust the tension manually.
Check the combination of the needle size, thread size and fabric is correct. Be sure to use the correct size needle and thread for the type of fabric that you are sewing.