Brother International LS-590 Users Manual - English and Spanish - Page 75
The stitch is - tension
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APPENDIX / ANEXO Symptom Possible cause How to put it right You have not threaded the upper thread properly. Correct the upper threading. Stitches are skipped. You have not used the right combination of fabric, thread and needle. The needle is bent or blunt. You have not inserted the needle properly. Choose a thread and needle that are appropriate for the type of fabric. Replace the needle. Insert the needle properly. Dust has accumulated under the Remove the needle plate cover and needle plate or in the bobbin case. clean the plate and the bobbin case. Dust has built up in the feed dogs or in the bobbin case. Clean the bobbin case. There is a highpitched noise while sewing. You have not threaded the upper thread properly. The bobbin case is scratched. Correct the upper threading. Replace the bobbin case. Contact your retailer or the nearest authorized service center. You have not used a bobbin that has been designed for this machine. Incorrect bobbins will not work properly. Only use a bobbin that has been designed for this machine. The needle threader can not be used. You have not moved the needle holder to its highest position. You have not inserted the needle properly. Turn the handwheel toward you (counterclockwise) to raise the needle holder to the highest position. Insert the needle properly. The presser foot that you are using is not correct for the type of stitch. Attach the presser foot that is correct for the type of stitch that you want to sew. The stitch is not sewn correctly. The thread tension is incorrect. The thread is tangled. Adjust the tension of the upper thread. Remove the tangled thread. If the thread is tangled in the bobbin case, clean the bobbin case. The stitch is too fine. Lengthen the stitch length. The fabric does not feed. The darning plate is fitted on the needle plate. You have not used the right combination of fabric, thread and needle. Remove the darning plate. Choose a thread and needle that are appropriate for the type of fabric. The thread is tangled. Remove the tangled thread. If the thread is tangled in the bobbin case, clean the bobbin case. The sewing light bulb does not The sewing light bulb is damaged. come on. Replace the sewing light bulb. Reference page 32 page 39 page 16 page 16 page 70 page 70 page 32 - page 26 page 34 page 17 - page 38 page 70 - - page 39 page 70 page 69 74