Troubleshooting, cont’d
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| Cause | Reference |
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| The machine | 1. The machine is not plugged in. | Page 6 |
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| doesn’t work. | 2. A thread is caught in the hook race. | Page 64 |
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| 3. | The bobbin winder spindle is still in the winding position. | Page 17 |
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| Patterns are dis- | 1. The correct presser foot is not used. | Page 13 |
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| torted. | 2. The needle thread tension is too tight. | Page 22 |
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| 3. | The stitch length is not suitable for the fabric being sewn. | Make stitch adj. |
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| 4. | Feed balancing dial is not set properly. | Page 55 |
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| 5. | Interfacing is not being used for sewing stretch and very fine | Page 29 |
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| The automatic | 1. | The stitch length is not suitable for the fabric being sewn. | Make stitch adj. |
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| 2. | The feed balancing dial is not set properly. | Page 55 |
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| buttonhole stitches |
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| 3. | Interfacing is not used with stretch fabrics. | Page 29 |
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| are not working. |
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| 4. | The presser foot is not the correct one. | Page 13 |
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| 5. | The machine setting is incorrect. | Page 34 |
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| Noisy operation | 1. | There is thread caught in the hook race. | Page 64 |
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| 2. | Lint has built up in the bobbin holder or hook race. | Page 64 |
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| 3. | Slight humming sound coming from internal motor. | Normal |
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| 4. | The feed dogs are packed with lint. | Page 64 |
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| Machine stalls and | 1. Lint has built up in the hook race. | Page 64 |
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| the message | 2. Needle or bobbin thread is not correctly threaded. | Page 18, 19 |
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| “STOP FOR | 3. The fabric is too thick. | Page 24 |
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| SAFETY |
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| PURPOSES” |
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| appears on the |
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| screen. |
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•When message appears on the screen
The liquid crystal display shows “BOBBIN WINDING”.
After the bobbin is wound, return the bobbin winder to its original position by moving the spindle to the left.
The message “STOP FOR SAFETY PURPOSES” appears on the screen when the machine is overloaded.
Stop operating the machine until this message disappears (about 15 seconds).
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