EX-660
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FAQs & Troubleshooting |
The bobbin thread cannot be pulled up.
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Needle is turned, bent or the point is dull.
Replace the needle.
Refer to How do I change the needle ?
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Bobbin is set incorrectly.
Reset the bobbin thread correctly.
Refer to How do I install the bobbin wound with thread ?
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Upper threading is incorrect.
Check the steps for threading the machine and rethread the machine correctly.
Refer to How do I thread my machine ?
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