Troubleshooting
If the machine stops operating correctly, check for the following possible causes before requesting service. If the problem persists, contact your dealer or the nearest authorized service center.
Symptom | Probable Cause | Remedy | Reference |
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| The plug of the power cord is not | Insert the plug of the power cord into | page 14 |
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| inserted into an electrical outlet. | a household electrical outlet. |
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| The machine is not turned on. | Turn on the machine. | page 14 |
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| The bobbin winder shaft is moved to | Slide the bobbin winder shaft to the | page 17 |
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| the right. | left. |
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| The presser foot lever is raised. | Lower the presser foot lever. | page 42 |
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The sewing | A stitch other than the buttonhole or |
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bar tack stitch was selected and the | Raise the buttonhole lever. | – |
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machine does |
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start/stop button was pressed while |
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not operate. |
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the buttonhole lever is lowered. |
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| The buttonhole or bar tack stitch was |
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| selected and the start/stop button was | Pull down the buttonhole lever. | page 59 |
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| pressed while the buttonhole lever is |
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| raised. |
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| The start/stop button was pressed, | Do not use the start/stop button when |
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| the foot controller is connected. To |
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| even though the foot controller is | page 42 |
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| use the start/stop button, disconnect |
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| connected. |
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| the foot controller. |
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| The needle is incorrectly installed. | Correctly install the needle. | page 29 |
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| The needle clamp screw is loose. | Use the screwdriver to firmly tighten | page 30 |
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| the screw. |
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| The needle is bent or blunt. | Replace the needle with a new one. | page 29 |
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| The combination of fabric, thread and | Select a thread and needle that are |
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| appropriate for the type of fabric | page 28 |
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| needle is incorrect. | being sewn. |
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| The appropriate presser foot for the | Attach the presser foot that is |
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| type of stitch that you wish to sew is | appropriate for the type of stitch that | page 87 |
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| not used. | you wish to sew. |
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| The upper thread tension is too tight. | Loosen the upper thread tension. | page 47 |
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The needle | The fabric is pulled too much. | Lightly guide the fabric. | – |
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breaks. |
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The area around the hole in the | Replace the needle plate. |
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| Contact your dealer or the nearest | – |
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| needle plate is scratched. |
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| authorized service center. |
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| The area around the hole in the | Replace the presser foot. |
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| Contact your dealer or the nearest | – |
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| presser foot is scratched. |
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| authorized service center. |
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| Replace the bobbin case. |
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| The bobbin case is scratched. | Contact your dealer or the nearest | – |
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| authorized service center. |
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| Bobbins from older models, which |
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| A bobbin designed specifically for | have a different thickness, will not |
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| work properly. Only use a bobbin | page 15 |
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| this machine is not used. |
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| designed specifically for this |
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| machine. |
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