Symptom | Possible cause |
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| How to put it right | Reference |
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| You have not threaded the upper | Correct the upper threading. | page 16 |
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| You have not used the right combi- | Choose a thread and needle that are | page 20 |
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| nation of fabric, thread and needle. | appropriate for the type of fabric. |
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Stitches are |
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The needle is bent or blunt. | Replace the needle. |
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skipped. |
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| You have not inserted the needle | Insert the needle properly. |
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| properly. |
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| Dust has accumulated under the | Remove the needle plate cover and | page 57 |
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| needle plate or in the bobbin case. | clean the plate and the bobbin case. |
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| Dust has built up in the feed dogs or | Clean the bobbin case. | page 57 |
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| in the bobbin case. |
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| You have not threaded the upper | Correct the upper threading. | page 16 |
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| thread properly. |
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There is a high- |
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| Replace the bobbin case. |
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pitched noise |
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while sewing. | The bobbin case is scratched. | Contact your retailer or the nearest | – |
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| authorized service center. |
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| You have not used bobbin that has | Incorrect bobbins will not work |
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| properly. Only use a bobbin that has | page 11 | ||||
| been designed for this machine. | |||||
| been designed for this machine. |
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| Raise the needle either by turning the |
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| handwheel toward you |
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The needle | You have not moved the needle | (counterclockwise) so that the mark | page 16 |
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holder to its highest position. | on the wheel points up or by pressing |
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threader can not |
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| (needle position button) once or |
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be used. |
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| twice. |
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| You have not inserted the needle | Insert the needle properly. | page 21 |
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| properly. |
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| The presser foot that you are using is | Attach the presser foot that is correct |
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| for the type of stitch that you want to | page 52 |
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| not correct for the type of stitch. |
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| sew. |
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The stitch is not | The thread tension is incorrect. | Adjust the tension of the upper | page 29 |
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sewn correctly. | thread. |
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| The thread is tangled, for example, | Remove the tangle thread. If the |
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| thread is tangled in the bobbin case, | page 57 |
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| in the bobbin case. |
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| clean the bobbin case. |
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| The feed dogs are lowered. | Slide the feed dog position lever to | page 38, 45 |
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| The stitch is too fine. | Lengthen the stitch length. | page 27 |
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The fabric does |
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You have not used the right combi- | Choose a thread and needle that are | page 20 |
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not feed. |
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nation of fabric, thread and needle. | appropriate for the type of fabric. |
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| The thread is tangled, for example, | Remove the tangle thread. If the |
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| thread is tangled in the bobbin case, | page 57 |
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| in the bobbin case. |
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| clean the bobbin case. |
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The sewing light |
| Contact your retailer or the nearest |
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bulb does not | The sewing lamp is damaged. | – |
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authorized service center. |
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come on. |
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61
