APPENDIX
Symptom | Possible cause | How to put it right | Reference | |
| You have not threaded the upper | Correct the upper threading. | page 21 | |
| thread properly. | |||
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| You have not used the right combi- | Choose a thread and needle that are | page 26 | |
| nation of fabric, thread and needle. | appropriate for the type of fabric. | ||
Stitches are |
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The needle is bent or blunt. | Replace the needle. | page 8 | ||
skipped. | ||||
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| You have not inserted the needle | Insert the needle properly. | page 8 | |
| properly. | |||
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| Dust has accumulated under the | Remove the needle plate cover and | page 44 | |
| 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 44 | |
| in the bobbin case. | |||
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| You have not threaded the upper | Correct the upper threading. | page 21 | |
| thread properly. | |||
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 a bobbin that has | Incorrect bobbins will not work |
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| properly. Only use a bobbin that has | page 16 | ||
| been designed for this machine. | |||
| been designed for this machine. |
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| You have not moved the needle | Turn the handwheel toward you |
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The needle | (counterclockwise) to raise the nee- | page 22 | ||
holder to its highest position. | ||||
dle holder to the highest position. |
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threader can not |
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be used. | You have not inserted the needle | Insert the needle properly. | page 9 | |
| properly. | |||
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| The presser foot that you are using is | Attach the presser foot that is correct | – | |
| for the type of stitch that you want to | |||
| not correct for the type of stitch. | |||
| sew. |
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The stitch is not | The thread tension is incorrect. | Adjust the tension of the upper | page 25 | |
sewn correctly. | thread. | |||
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| Remove the tangled thread. If the |
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| The thread is tangled. | thread is tangled in the bobbin case, | page 44 | |
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| clean the bobbin case. |
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| The stitch is too fine. | Lengthen the stitch length. | – | |
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| The darning plate is fitted on the | Remove the darning plate. | – | |
| needle plate. | |||
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The fabric does | You have not used the right combi- | Choose a thread and needle that are | page 26 | |
not feed. | nation of fabric, thread and needle. | appropriate for the type of fabric. | ||
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| Remove the tangled thread. If the |
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| The thread is tangled. | thread is tangled in the bobbin case, | page 44 | |
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| clean the bobbin case. |
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The sewing light |
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bulb does not | The sewing light bulb is damaged. | Replace the sewing light bulb. | page 44 | |
come on. |
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48
