Brother International CS7000i Operation Manual - Page 56

APPENDIX Symptom Possible cause How to put it right Reference You have not threaded the upper thread properly. Correct the upper threading. page 13 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. page 16 page 17 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. page 50 Dust has built up in the feed dogs or in the bobbin case. Clean the bobbin case. page 50 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. page 13 - 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 9 You have not moved the needle The needle holder to its highest position. threader can not be used. Raise the needle either by turning the handwheel toward you (counterclockwise) so that the mark on the wheel points up or by pressing (needle position button) once or twice. page 13 You have not inserted the needle properly. Insert the needle properly. page 17 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. page 45 The stitch is not sewn correctly. The thread tension is incorrect. The thread is tangled, for example, in the bobbin case. Adjust the tension of the upper thread. Remove the tangle thread. If the thread is tangled in the bobbin case, clean the bobbin case. page 25 page 50 The feed dogs are lowered. Slide the feed dog position lever to . page 33, 39 The fabric does not feed. The stitch is too fine. You have not used the right combination of fabric, thread and needle. Lengthen the stitch length. Choose a thread and needle that are appropriate for the type of fabric. page 23 page 16 The thread is tangled, for example, in the bobbin case. Remove the tangle thread. If the thread is tangled in the bobbin case, clean the bobbin case. page 50 The sewing light bulb does not The sewing lamp is damaged. come on. Contact your retailer or the nearest authorized service center. - 54