Why does the lower thread keep breaking?

The lower thread could be breaking due to several reasons.
 

  • Check to see if the lower thread be tangled.

One Point Advice   When thread got tangled

  • The bobbin could be threaded improperly in the shuttle hook.
    Rethread the bobbin in the shuttle hook.

Please refer to "Installing a bobbin" of "Preparation" category.

 

If your question was not answered, have you checked other FAQs?

Have you checked the manuals?

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

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