Symptom | Possible cause | How to put it right | Reference |
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| The needle is bent or blunt. | Replace the needle. | page 16 |
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| You have not inserted the needle | Insert the needle properly. | page 16 |
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| The area around the hole in the nee- | Replace the needle plate. |
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| Contact your retailer or the nearest | – |
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| dle plate is scratched. | authorised service center. |
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The upper | The area around the hole in the | Replace the presser foot. | – |
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thread breaks. | presser foot is scratched. | Contact your retailer or the nearest |
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| The bobbin case is scratched, or has | Replace the bobbin case. |
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| Contact your retailer or the nearest | – |
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| authorised 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 10 |
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| been designed for this machine. |
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| been designed for this machine. |
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| You have not wound the bobbin | Wind the bobbin thread properly. | page 10 |
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| thread properly. |
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| The bobbin is scratched or does not | Replace the bobbin. | – | 4 |
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| turn smoothly. | |||
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The lower |
| The thread is tangled. | Remove the tangled thread and | page 40 |
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thread is tangled |
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clean the shuttle race. |
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or breaks. |
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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 10 |
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| been designed for this machine. |
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| been designed for this machine. |
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| Bobbin is set incorrectly. | Reset the bobbin thread correctly. | page 11 |
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The thread is |
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tangled on the | The upper thread was not threaded | Correct the upper threading. | page 13 |
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wrong side of | correctly. |
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the fabric. |
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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 wound the bobbin | Wind the bobbin thread properly. | page 10 |
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| thread properly. |
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| You have not used the right | Choose a thread and needle that are |
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| combination of fabric, thread and | page 15 |
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| appropriate for the type of fabric. |
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| needle. |
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The thread ten- |
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| You have not attached the presser- | Attach the | page 20 |
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sion is incorrect. |
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foot holder properly. | erly. |
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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 used a 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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| Bobbin is set incorrectly. | Reset the bobbin thread correctly. | page 11 |
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The upper | The bobbin thread is incorrectly |
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thread is too | Correctly install the bobbin thread. | page 11 |
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installed. |
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tight. |
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