SB4138

FAQs & Troubleshooting

FAQs & Troubleshooting
  • Date: 11/20/2012
  • ID: faqh00000025_000

The thread tension is incorrect.

There could be several reasons why the tension won't set on the machine.
  • Check the machine is threaded correctly. Rethread the machine according to the instructions in the manual.
    Refer to "Upper threading" of  "Preparation" category.

  • Check the upper thread tension set.

  • Remove the bobbin and make sure it is threaded properly in the shuttle race.
    Refer to "Correctly installing a bobbin. " of  "Preparation" category.

  • If there is any loose thread or lint in the bobbin case, please clean them with the included cleaning brush.
    Refer to "Cleaning the Bobbin Case"  of  "General Information" category.

  • Check if the combination of needle size, thread size and fabric is incorrect. Be sure to use the correct needle and thread size for the fabric you are sewing.
    (Example: Denim-size 16 needle and 40-50 heavy duty thread)
    Refer to " Combination of fabric, thread and needle " of  "General Information" category.

Related FAQs

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Have you checked the manuals?

If you need further assistance, please contact Brother customer service:

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