Incorrect thread tension
- Even though the thread tension dial is set to the Standard/Basic setting, it may need to be adjusted depending on the combination of fabric, thread and needles being used.
- Make sure you use a bobbin that is best suited for your machine.
The first 2-4 stitches of a seam may become weak.Sew reverse/reinforcement stitches at the beginning of your sewing.
BM-3500/2600, BM-3600, CS-8060, GS2500, GS2510, GS2520, GS2700, GS3700, GS3710, GS3750WT, Innov-is 500D, Innov-is 900, Innov-is 950, Innov-is 980D, JS1400, JS1410, JS1420, JS1700, LS-2125/2160, LS-2150, LX27NT, PE-190D, PS-53/55/57, SL100, SL300, TY400G, XL-2120/2220/2230/2240, XL-2600/2620/2630, XL-5500, XL-5700, XL-6040/6050, XT37