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.
AS1430S, AS2730S, BM-3500/2600, DS-140, FS101, FS50, GS2500, GS2700, Innov-is 30, Innov-is 35P, Innov-is 50, Innov-is 55P, Innov-is 750E, Innov-is 900, Innov-is 950, Innov-is 955, Innov-is V3, JA1400, JA1450NT, JK17B, JS1410, LS-2125/2160
If you need further assistance, please contact Brother customer service:
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