APPENDIX
Symptom | Possible cause | How to put it right | Reference | ||
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| You have not threaded the upper | Thread the upper thread and wind |
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| thread properly or fitted the bobbin | page 11, 13 | ||
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| the bobbin thread properly. | |||
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| properly. |
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| You have not fitted the spool prop- | Fit the spool properly. | – | |
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The fabric is | You have not used the right | Choose a thread and needle that are |
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combination of fabric, thread and | page 15 | ||||
appropriate for the type of fabric. | |||||
wrinkled. | needle. |
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| The needle is bent or blunt. | Replace the needle. | page 16 | |
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| If you are sewing thin fabric, the | Sew with stabiliser material under | page 26 | |
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| stitch is too thick. | the fabric. | ||
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| The thread tension is incorrect. | Adjust the tension of the upper | page 24 | |
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| thread. | |||
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| You have not threaded the upper | Correct the upper threading. | page 13 | |
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| thread properly. | |||
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| You have not used the right combi- | Choose a thread and needle that are | page 15 | |
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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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| page 16 | |||
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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 40, 41 | |
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| needle plate or in the shuttle race. | clean the plate and the shuttle race. | ||
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| Dust has built up in the feed dogs or | Clean the shuttle race. | page 40 | |
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| in the shuttle race. | |||
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| You have not threaded the upper | Correct the upper threading. | page 13 | |
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| thread properly. | |||
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| Replace the bobbin case. |
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There is a high- | The bobbin case is scratched. | Contact your retailer or the nearest | – | ||
| authorized service center. |
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pitched noise |
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while sewing. |
| You have not used bobbin that has | Incorrect bobbins will not work |
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| properly. Only use a bobbin that has | page 10 | ||
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| been designed for this machine. | |||
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| been designed for this machine. |
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| Make sure to oil the machine once a |
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| Insufficient oiling. | week if you use it more than an hour | page 39 | |
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| a day. If you use it more often, oil | |||
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| every day. |
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| The presser foot that you are using is | Attach the presser foot that is correct | page 28, 31, | |
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| for the type of stitch that you want to | |||
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| not correct for the type of stitch. | 33, 34, 35 | ||
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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 24 | ||
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 shuttle race, | page 40 | ||
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| in the shuttle race. | |||
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| clean the shuttle race. |
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| You have not used the right combi- | Choose a thread and needle that are | page 15 | |
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| nation of fabric, thread and needle. | appropriate for the type of fabric. | ||
The fabric does |
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| Remove the tangle thread. If the |
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not feed. | The thread is tangled, for example, |
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| thread is tangled in the shuttle race, | page 40 | ||
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| in the shuttle race. | |||
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| clean the shuttle race. |
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The sewing light |
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bulb does not | The sewing lamp is damaged. | Change the sewing light bulb. | page 39 | ||
come on. |
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