Brother International XL-2121 Users Manual - English - Page 60

Symptom Possible cause How to put it right Reference You have not threaded the upper thread properly or fitted the bobbin properly. Thread the upper thread and fit the bobbin thread properly. page 20, 23 You have not fitted the spool properly. Fit the spool properly. page 23, 27 The fabric is wrinkled. You have not used the right combination of fabric, thread and needle. Choose a thread and needle that are appropriate for the type of fabric. page 29 The needle is bent or blunt. Replace the needle. page 11, 12 If you are sewing thin fabric, the stitch is too thick. Sew with stabiliser material under the fabric. - The thread tension is incorrect. Adjust the tension of the upper thread. page 28 You have not threaded the upper thread properly. Correct the upper threading. page 23 Stitches are skipped. You have not used the right combination of fabric, thread and needle. The needle is bent or blunt. You have not fitted the needle properly. Choose a thread and needle that are appropriate for the type of fabric. Replace the needle. Fit the needle properly. page 29 page 11, 12 page 12 Dust has accumulated under the needle plate or in the shuttle. Remove the needle plate cover and clean the plate and the shuttle. page 55 Dust has built up in the feed dogs or in the shuttle. Clean the shuttle. page 55 There is a highpitched noise while sewing. You have not threaded the upper thread properly. The shuttle is scratched. Correct the upper threading. Replace the shuttle. Contact your retailer or the nearest authorized service center. page 23 - You have not used 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. page 18 You have not moved the needle The needle holder to its highest position. threader can not Turn the balance wheel toward you (counterclockwise) to raise the needle holder to the highest position. page 24 be used. You have not fitted the needle properly. Fit the needle properly. page 12 6 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. Adjust the tension of the upper thread. page 28 The thread is tangled, for example, in the shuttle. Remove the tangle thread. If the thread is tangled in the shuttle, clean the shuttle. page 55 59